diff --git a/ChangeLog b/ChangeLog
index 2484c532..885bb5b9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+02-JAN-2021: 14.1.8
+
+- Internal release
+
 01-JAN-2021: 14.1.7
 
 - Fixes NPE for single point edges
diff --git a/VERSION b/VERSION
index 8898bdd4..3edb8778 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-14.1.7
\ No newline at end of file
+14.1.8
\ No newline at end of file
diff --git a/src/main/webapp/js/app.min.js b/src/main/webapp/js/app.min.js
index 7ee53ed7..f6f7ad2c 100644
--- a/src/main/webapp/js/app.min.js
+++ b/src/main/webapp/js/app.min.js
@@ -238,7 +238,7 @@ function setCurrentXml(a,b){null!=window.parent&&null!=window.parent.openFile&&w
 (function(){if("undefined"!==typeof JSON&&isLocalStorage)try{var a=localStorage.getItem(".drawio-config"),b=!0;null!=a&&(b=JSON.parse(a).showStartScreen);0==b&&(urlParams.splash="0")}catch(d){}a=urlParams["export"];null!=a&&(a=decodeURIComponent(a),"http://"!=a.substring(0,7)&&"https://"!=a.substring(0,8)&&(a="http://"+a),EXPORT_URL=a);a=urlParams.gitlab;null!=a&&(a=decodeURIComponent(a),"http://"!=a.substring(0,7)&&"https://"!=a.substring(0,8)&&(a="http://"+a),DRAWIO_GITLAB_URL=a);a=urlParams["gitlab-id"];
 null!=a&&(DRAWIO_GITLAB_ID=a);window.DRAWIO_LOG_URL=window.DRAWIO_LOG_URL||"";a=window.location.host;if("test.draw.io"!=a){var c="diagrams.net",b=a.length-c.length,c=a.lastIndexOf(c,b);-1!==c&&c===b?window.DRAWIO_LOG_URL="https://log.diagrams.net":(c="draw.io",b=a.length-c.length,c=a.lastIndexOf(c,b),-1!==c&&c===b&&(window.DRAWIO_LOG_URL="https://log.draw.io"))}})();
 if("1"==urlParams.offline||"1"==urlParams.demo||"1"==urlParams.stealth||"1"==urlParams.local)urlParams.picker="0",urlParams.gapi="0",urlParams.db="0",urlParams.od="0",urlParams.gh="0",urlParams.gl="0",urlParams.tr="0";if("1"==urlParams.offline||"1"==urlParams.local)urlParams.math="0";"embed.diagrams.net"==window.location.hostname&&(urlParams.embed="1");(null==window.location.hash||1>=window.location.hash.length)&&null!=urlParams.open&&(window.location.hash=urlParams.open);window.urlParams=window.urlParams||{};window.MAX_REQUEST_SIZE=window.MAX_REQUEST_SIZE||10485760;window.MAX_AREA=window.MAX_AREA||225E6;window.EXPORT_URL=window.EXPORT_URL||"/export";window.SAVE_URL=window.SAVE_URL||"/save";window.OPEN_URL=window.OPEN_URL||"/open";window.RESOURCES_PATH=window.RESOURCES_PATH||"resources";window.RESOURCE_BASE=window.RESOURCE_BASE||window.RESOURCES_PATH+"/grapheditor";window.STENCIL_PATH=window.STENCIL_PATH||"stencils";window.IMAGE_PATH=window.IMAGE_PATH||"images";
-window.STYLE_PATH=window.STYLE_PATH||"styles";window.CSS_PATH=window.CSS_PATH||"styles";window.OPEN_FORM=window.OPEN_FORM||"open.html";window.mxBasePath=window.mxBasePath||"mxgraph";window.mxImageBasePath=window.mxImageBasePath||"mxgraph/images";window.mxLanguage=window.mxLanguage||urlParams.lang;window.mxLanguages=window.mxLanguages||["de","se"];var mxClient={VERSION:"14.1.6",IS_IE:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE"),IS_IE6:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE 6"),IS_IE11:null!=navigator.userAgent&&!!navigator.userAgent.match(/Trident\/7\./),IS_EDGE:null!=navigator.userAgent&&!!navigator.userAgent.match(/Edge\//),IS_QUIRKS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE")&&(null==document.documentMode||5==document.documentMode),IS_EM:"spellcheck"in document.createElement("textarea")&&
+window.STYLE_PATH=window.STYLE_PATH||"styles";window.CSS_PATH=window.CSS_PATH||"styles";window.OPEN_FORM=window.OPEN_FORM||"open.html";window.mxBasePath=window.mxBasePath||"mxgraph";window.mxImageBasePath=window.mxImageBasePath||"mxgraph/images";window.mxLanguage=window.mxLanguage||urlParams.lang;window.mxLanguages=window.mxLanguages||["de","se"];var mxClient={VERSION:"14.1.7",IS_IE:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE"),IS_IE6:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE 6"),IS_IE11:null!=navigator.userAgent&&!!navigator.userAgent.match(/Trident\/7\./),IS_EDGE:null!=navigator.userAgent&&!!navigator.userAgent.match(/Edge\//),IS_QUIRKS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE")&&(null==document.documentMode||5==document.documentMode),IS_EM:"spellcheck"in document.createElement("textarea")&&
 8==document.documentMode,VML_PREFIX:"v",OFFICE_PREFIX:"o",IS_NS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("Mozilla/")&&0>navigator.userAgent.indexOf("MSIE")&&0>navigator.userAgent.indexOf("Edge/"),IS_OP:null!=navigator.userAgent&&(0<=navigator.userAgent.indexOf("Opera/")||0<=navigator.userAgent.indexOf("OPR/")),IS_OT:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("Presto/")&&0>navigator.userAgent.indexOf("Presto/2.4.")&&0>navigator.userAgent.indexOf("Presto/2.3.")&&0>navigator.userAgent.indexOf("Presto/2.2.")&&
 0>navigator.userAgent.indexOf("Presto/2.1.")&&0>navigator.userAgent.indexOf("Presto/2.0.")&&0>navigator.userAgent.indexOf("Presto/1."),IS_SF:/Apple Computer, Inc/.test(navigator.vendor),IS_ANDROID:0<=navigator.appVersion.indexOf("Android"),IS_IOS:/iP(hone|od|ad)/.test(navigator.platform),IS_GC:/Google Inc/.test(navigator.vendor),IS_CHROMEAPP:null!=window.chrome&&null!=chrome.app&&null!=chrome.app.runtime,IS_FF:"undefined"!==typeof InstallTrigger,IS_MT:0<=navigator.userAgent.indexOf("Firefox/")&&0>
 navigator.userAgent.indexOf("Firefox/1.")&&0>navigator.userAgent.indexOf("Firefox/2.")||0<=navigator.userAgent.indexOf("Iceweasel/")&&0>navigator.userAgent.indexOf("Iceweasel/1.")&&0>navigator.userAgent.indexOf("Iceweasel/2.")||0<=navigator.userAgent.indexOf("SeaMonkey/")&&0>navigator.userAgent.indexOf("SeaMonkey/1.")||0<=navigator.userAgent.indexOf("Iceape/")&&0>navigator.userAgent.indexOf("Iceape/1."),IS_VML:"MICROSOFT INTERNET EXPLORER"==navigator.appName.toUpperCase(),IS_SVG:"MICROSOFT INTERNET EXPLORER"!=
@@ -654,8 +654,8 @@ mxUtils.addTransparentBackgroundFilter(a):this.setTransparentBackgroundImage(a)}
 mxShape.prototype.updateHtmlBounds=function(a){var b=9<=document.documentMode?0:Math.ceil(this.strokewidth*this.scale);a.style.borderWidth=Math.max(1,b)+"px";a.style.overflow="hidden";a.style.left=Math.round(this.bounds.x-b/2)+"px";a.style.top=Math.round(this.bounds.y-b/2)+"px";"CSS1Compat"==document.compatMode&&(b=-b);a.style.width=Math.round(Math.max(0,this.bounds.width+b))+"px";a.style.height=Math.round(Math.max(0,this.bounds.height+b))+"px"};
 mxShape.prototype.destroyCanvas=function(a){if(a instanceof mxSvgCanvas2D){for(var b in a.gradients){var c=a.gradients[b];null!=c&&(c.mxRefCount=(c.mxRefCount||0)+1)}this.releaseSvgGradients(this.oldGradients);this.oldGradients=a.gradients}};mxShape.prototype.beforePaint=function(a){};mxShape.prototype.afterPaint=function(a){};
 mxShape.prototype.paint=function(a){var b=!1;if(null!=a&&this.outline){var c=a.stroke;a.stroke=function(){b=!0;c.apply(this,arguments)};var d=a.fillAndStroke;a.fillAndStroke=function(){b=!0;d.apply(this,arguments)}}var e=this.scale,f=this.bounds.x/e,g=this.bounds.y/e,k=this.bounds.width/e,l=this.bounds.height/e;if(this.isPaintBoundsInverted())var m=(k-l)/2,f=f+m,g=g-m,m=k,k=l,l=m;this.updateTransform(a,f,g,k,l);this.configureCanvas(a,f,g,k,l);m=null;if(null==this.stencil&&null==this.points&&this.shapePointerEvents||
-null!=this.stencil&&this.stencilPointerEvents){var n=this.createBoundingBox();this.dialect==mxConstants.DIALECT_SVG?(m=this.createTransparentSvgRectangle(n.x,n.y,n.width,n.height),this.node.appendChild(m)):(e=a.createRect("rect",n.x/e,n.y/e,n.width/e,n.height/e),e.appendChild(a.createTransparentFill()),e.stroked="false",a.root.appendChild(e))}null!=this.stencil?this.stencil.drawShape(a,this,f,g,k,l):(a.setStrokeWidth(this.strokewidth),e=this.getWaypoints(),null!=e?this.paintEdgeShape(a,e):this.paintVertexShape(a,
-f,g,k,l));null!=m&&null!=a.state&&null!=a.state.transform&&m.setAttribute("transform",a.state.transform);null!=a&&this.outline&&!b&&(a.rect(f,g,k,l),a.stroke())};mxShape.prototype.getWaypoints=function(){var a=this.points,b=null;if(null!=a&&(b=[],0<a.length)){var c=this.scale,d=Math.max(c,1),e=a[0];b.push(new mxPoint(e.x/c,e.y/c));for(var f=1;f<a.length;f++){var g=a[f];(Math.abs(e.x-g.x)>=d||Math.abs(e.y-g.y)>=d)&&b.push(new mxPoint(g.x/c,g.y/c));e=g}}return b};
+null!=this.stencil&&this.stencilPointerEvents){var n=this.createBoundingBox();this.dialect==mxConstants.DIALECT_SVG?(m=this.createTransparentSvgRectangle(n.x,n.y,n.width,n.height),this.node.appendChild(m)):(e=a.createRect("rect",n.x/e,n.y/e,n.width/e,n.height/e),e.appendChild(a.createTransparentFill()),e.stroked="false",a.root.appendChild(e))}null!=this.stencil?this.stencil.drawShape(a,this,f,g,k,l):(a.setStrokeWidth(this.strokewidth),e=this.getWaypoints(),null!=e?1<e.length&&this.paintEdgeShape(a,
+e):this.paintVertexShape(a,f,g,k,l));null!=m&&null!=a.state&&null!=a.state.transform&&m.setAttribute("transform",a.state.transform);null!=a&&this.outline&&!b&&(a.rect(f,g,k,l),a.stroke())};mxShape.prototype.getWaypoints=function(){var a=this.points,b=null;if(null!=a&&(b=[],0<a.length)){var c=this.scale,d=Math.max(c,1),e=a[0];b.push(new mxPoint(e.x/c,e.y/c));for(var f=1;f<a.length;f++){var g=a[f];(Math.abs(e.x-g.x)>=d||Math.abs(e.y-g.y)>=d)&&b.push(new mxPoint(g.x/c,g.y/c));e=g}}return b};
 mxShape.prototype.configureCanvas=function(a,b,c,d,e){var f=null;null!=this.style&&(f=this.style.dashPattern);a.setAlpha(this.opacity/100);a.setFillAlpha(this.fillOpacity/100);a.setStrokeAlpha(this.strokeOpacity/100);null!=this.isShadow&&a.setShadow(this.isShadow);null!=this.isDashed&&a.setDashed(this.isDashed,null!=this.style?1==mxUtils.getValue(this.style,mxConstants.STYLE_FIX_DASH,!1):!1);null!=f&&a.setDashPattern(f);null!=this.fill&&this.fill!=mxConstants.NONE&&this.gradient&&this.gradient!=mxConstants.NONE?
 (b=this.getGradientBounds(a,b,c,d,e),a.setGradient(this.fill,this.gradient,b.x,b.y,b.width,b.height,this.gradientDirection)):a.setFillColor(this.fill);a.setStrokeColor(this.stroke)};mxShape.prototype.getGradientBounds=function(a,b,c,d,e){return new mxRectangle(b,c,d,e)};mxShape.prototype.updateTransform=function(a,b,c,d,e){a.scale(this.scale);a.rotate(this.getShapeRotation(),this.flipH,this.flipV,b+d/2,c+e/2)};
 mxShape.prototype.paintVertexShape=function(a,b,c,d,e){this.paintBackground(a,b,c,d,e);this.outline&&null!=this.style&&0!=mxUtils.getValue(this.style,mxConstants.STYLE_BACKGROUND_OUTLINE,0)||(a.setShadow(!1),this.paintForeground(a,b,c,d,e))};mxShape.prototype.paintBackground=function(a,b,c,d,e){};mxShape.prototype.paintForeground=function(a,b,c,d,e){};mxShape.prototype.paintEdgeShape=function(a,b){};
@@ -712,13 +712,13 @@ mxArrow.prototype.paintEdgeShape=function(a,b){var c=mxConstants.ARROW_SPACING,d
 function mxArrowConnector(a,b,c,d,e,f,g){mxShape.call(this);this.points=a;this.fill=b;this.stroke=c;this.strokewidth=null!=d?d:1;this.arrowWidth=null!=e?e:mxConstants.ARROW_WIDTH;this.arrowSpacing=null!=f?f:mxConstants.ARROW_SPACING;this.startSize=mxConstants.ARROW_SIZE/5;this.endSize=mxConstants.ARROW_SIZE/5}mxUtils.extend(mxArrowConnector,mxShape);mxArrowConnector.prototype.useSvgBoundingBox=!0;mxArrowConnector.prototype.isRoundable=function(){return!0};
 mxArrowConnector.prototype.resetStyles=function(){mxShape.prototype.resetStyles.apply(this,arguments);this.arrowSpacing=mxConstants.ARROW_SPACING};mxArrowConnector.prototype.apply=function(a){mxShape.prototype.apply.apply(this,arguments);null!=this.style&&(this.startSize=3*mxUtils.getNumber(this.style,mxConstants.STYLE_STARTSIZE,mxConstants.ARROW_SIZE/5),this.endSize=3*mxUtils.getNumber(this.style,mxConstants.STYLE_ENDSIZE,mxConstants.ARROW_SIZE/5))};
 mxArrowConnector.prototype.augmentBoundingBox=function(a){mxShape.prototype.augmentBoundingBox.apply(this,arguments);var b=this.getEdgeWidth();this.isMarkerStart()&&(b=Math.max(b,this.getStartArrowWidth()));this.isMarkerEnd()&&(b=Math.max(b,this.getEndArrowWidth()));a.grow((b/2+this.strokewidth)*this.scale)};
-mxArrowConnector.prototype.paintEdgeShape=function(a,b){var c=this.strokewidth;this.outline&&(c=Math.max(1,mxUtils.getNumber(this.style,mxConstants.STYLE_STROKEWIDTH,this.strokewidth)));for(var d=this.getStartArrowWidth()+c,e=this.getEndArrowWidth()+c,f=this.outline?this.getEdgeWidth()+c:this.getEdgeWidth(),g=this.isOpenEnded(),k=this.isMarkerStart(),l=this.isMarkerEnd(),m=g?0:this.arrowSpacing+c/2,n=this.startSize+c,c=this.endSize+c,p=this.isArrowRounded(),q=b[b.length-1],r=1;r<b.length-1&&b[r].x==
-b[0].x&&b[r].y==b[0].y;)r++;var t=b[r].x-b[0].x,r=b[r].y-b[0].y,u=Math.sqrt(t*t+r*r);if(0!=u){var x=t/u,y,B=x,A=r/u,z,C=A,u=f*A,v=-f*x,D=[];p?a.setLineJoin("round"):2<b.length&&a.setMiterLimit(1.42);a.begin();t=x;r=A;if(k&&!g)this.paintMarker(a,b[0].x,b[0].y,x,A,n,d,f,m,!0);else{y=b[0].x+u/2+m*x;z=b[0].y+v/2+m*A;var G=b[0].x-u/2+m*x,J=b[0].y-v/2+m*A;g?(a.moveTo(y,z),D.push(function(){a.lineTo(G,J)})):(a.moveTo(G,J),a.lineTo(y,z))}for(var E=z=y=0,u=0;u<b.length-2;u++)if(v=mxUtils.relativeCcw(b[u].x,
-b[u].y,b[u+1].x,b[u+1].y,b[u+2].x,b[u+2].y),y=b[u+2].x-b[u+1].x,z=b[u+2].y-b[u+1].y,E=Math.sqrt(y*y+z*z),0!=E){B=y/E;C=z/E;E=Math.max(Math.sqrt((x*B+A*C+1)/2),.04);y=x+B;z=A+C;var H=Math.sqrt(y*y+z*z);if(0!=H){y/=H;z/=H;var H=Math.max(E,Math.min(this.strokewidth/200+.04,.35)),E=0!=v&&p?Math.max(.1,H):Math.max(E,.06),I=b[u+1].x+z*f/2/E,F=b[u+1].y-y*f/2/E;z=b[u+1].x-z*f/2/E;y=b[u+1].y+y*f/2/E;0!=v&&p?-1==v?(v=z+C*f,E=y-B*f,a.lineTo(z+A*f,y-x*f),a.quadTo(I,F,v,E),function(b,c){D.push(function(){a.lineTo(b,
-c)})}(z,y)):(a.lineTo(I,F),function(b,c){var d=I-A*f,e=F+x*f,g=I-C*f,k=F+B*f;D.push(function(){a.quadTo(b,c,d,e)});D.push(function(){a.lineTo(g,k)})}(z,y)):(a.lineTo(I,F),function(b,c){D.push(function(){a.lineTo(b,c)})}(z,y));x=B;A=C}}u=f*C;v=-f*B;if(l&&!g)this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!1);else{a.lineTo(q.x-m*B+u/2,q.y-m*C+v/2);var K=q.x-m*B-u/2,L=q.y-m*C-v/2;g?(a.moveTo(K,L),D.splice(0,0,function(){a.moveTo(K,L)})):a.lineTo(K,L)}for(u=D.length-1;0<=u;u--)D[u]();g?(a.end(),a.stroke()):
-(a.close(),a.fillAndStroke());a.setShadow(!1);a.setMiterLimit(4);p&&a.setLineJoin("flat");2<b.length&&(a.setMiterLimit(4),k&&!g&&(a.begin(),this.paintMarker(a,b[0].x,b[0].y,t,r,n,d,f,m,!0),a.stroke(),a.end()),l&&!g&&(a.begin(),this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!0),a.stroke(),a.end()))}};
-mxArrowConnector.prototype.paintMarker=function(a,b,c,d,e,f,g,k,l,m){g=k/g;var n=k*e/2;k=-k*d/2;var p=(l+f)*d;f=(l+f)*e;m?a.moveTo(b-n+p,c-k+f):a.lineTo(b-n+p,c-k+f);a.lineTo(b-n/g+p,c-k/g+f);a.lineTo(b+l*d,c+l*e);a.lineTo(b+n/g+p,c+k/g+f);a.lineTo(b+n+p,c+k+f)};mxArrowConnector.prototype.isArrowRounded=function(){return this.isRounded};mxArrowConnector.prototype.getStartArrowWidth=function(){return mxConstants.ARROW_WIDTH};mxArrowConnector.prototype.getEndArrowWidth=function(){return mxConstants.ARROW_WIDTH};
-mxArrowConnector.prototype.getEdgeWidth=function(){return mxConstants.ARROW_WIDTH/3};mxArrowConnector.prototype.isOpenEnded=function(){return!1};mxArrowConnector.prototype.isMarkerStart=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_STARTARROW,mxConstants.NONE)!=mxConstants.NONE};mxArrowConnector.prototype.isMarkerEnd=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_ENDARROW,mxConstants.NONE)!=mxConstants.NONE};
+mxArrowConnector.prototype.paintEdgeShape=function(a,b){var c=this.strokewidth;this.outline&&(c=Math.max(1,mxUtils.getNumber(this.style,mxConstants.STYLE_STROKEWIDTH,this.strokewidth)));var d=this.getStartArrowWidth()+c,e=this.getEndArrowWidth()+c,f=this.outline?this.getEdgeWidth()+c:this.getEdgeWidth(),g=this.isOpenEnded(),k=this.isMarkerStart(),l=this.isMarkerEnd(),m=g?0:this.arrowSpacing+c/2,n=this.startSize+c,c=this.endSize+c,p=this.isArrowRounded(),q=b[b.length-1],r=b[1].x-b[0].x,t=b[1].y-b[0].y,
+u=Math.sqrt(r*r+t*t);if(0!=u){var x=r/u,y,B=x,A=t/u,z,C=A,u=f*A,v=-f*x,D=[];p?a.setLineJoin("round"):2<b.length&&a.setMiterLimit(1.42);a.begin();r=x;t=A;if(k&&!g)this.paintMarker(a,b[0].x,b[0].y,x,A,n,d,f,m,!0);else{y=b[0].x+u/2+m*x;z=b[0].y+v/2+m*A;var G=b[0].x-u/2+m*x,J=b[0].y-v/2+m*A;g?(a.moveTo(y,z),D.push(function(){a.lineTo(G,J)})):(a.moveTo(G,J),a.lineTo(y,z))}for(var E=z=y=0,u=0;u<b.length-2;u++)if(v=mxUtils.relativeCcw(b[u].x,b[u].y,b[u+1].x,b[u+1].y,b[u+2].x,b[u+2].y),y=b[u+2].x-b[u+1].x,
+z=b[u+2].y-b[u+1].y,E=Math.sqrt(y*y+z*z),0!=E){B=y/E;C=z/E;E=Math.max(Math.sqrt((x*B+A*C+1)/2),.04);y=x+B;z=A+C;var H=Math.sqrt(y*y+z*z);if(0!=H){y/=H;z/=H;var H=Math.max(E,Math.min(this.strokewidth/200+.04,.35)),E=0!=v&&p?Math.max(.1,H):Math.max(E,.06),I=b[u+1].x+z*f/2/E,F=b[u+1].y-y*f/2/E;z=b[u+1].x-z*f/2/E;y=b[u+1].y+y*f/2/E;0!=v&&p?-1==v?(v=z+C*f,E=y-B*f,a.lineTo(z+A*f,y-x*f),a.quadTo(I,F,v,E),function(b,c){D.push(function(){a.lineTo(b,c)})}(z,y)):(a.lineTo(I,F),function(b,c){var d=I-A*f,e=F+
+x*f,g=I-C*f,k=F+B*f;D.push(function(){a.quadTo(b,c,d,e)});D.push(function(){a.lineTo(g,k)})}(z,y)):(a.lineTo(I,F),function(b,c){D.push(function(){a.lineTo(b,c)})}(z,y));x=B;A=C}}u=f*C;v=-f*B;if(l&&!g)this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!1);else{a.lineTo(q.x-m*B+u/2,q.y-m*C+v/2);var K=q.x-m*B-u/2,L=q.y-m*C-v/2;g?(a.moveTo(K,L),D.splice(0,0,function(){a.moveTo(K,L)})):a.lineTo(K,L)}for(u=D.length-1;0<=u;u--)D[u]();g?(a.end(),a.stroke()):(a.close(),a.fillAndStroke());a.setShadow(!1);a.setMiterLimit(4);
+p&&a.setLineJoin("flat");2<b.length&&(a.setMiterLimit(4),k&&!g&&(a.begin(),this.paintMarker(a,b[0].x,b[0].y,r,t,n,d,f,m,!0),a.stroke(),a.end()),l&&!g&&(a.begin(),this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!0),a.stroke(),a.end()))}};mxArrowConnector.prototype.paintMarker=function(a,b,c,d,e,f,g,k,l,m){g=k/g;var n=k*e/2;k=-k*d/2;var p=(l+f)*d;f=(l+f)*e;m?a.moveTo(b-n+p,c-k+f):a.lineTo(b-n+p,c-k+f);a.lineTo(b-n/g+p,c-k/g+f);a.lineTo(b+l*d,c+l*e);a.lineTo(b+n/g+p,c+k/g+f);a.lineTo(b+n+p,c+k+f)};
+mxArrowConnector.prototype.isArrowRounded=function(){return this.isRounded};mxArrowConnector.prototype.getStartArrowWidth=function(){return mxConstants.ARROW_WIDTH};mxArrowConnector.prototype.getEndArrowWidth=function(){return mxConstants.ARROW_WIDTH};mxArrowConnector.prototype.getEdgeWidth=function(){return mxConstants.ARROW_WIDTH/3};mxArrowConnector.prototype.isOpenEnded=function(){return!1};
+mxArrowConnector.prototype.isMarkerStart=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_STARTARROW,mxConstants.NONE)!=mxConstants.NONE};mxArrowConnector.prototype.isMarkerEnd=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_ENDARROW,mxConstants.NONE)!=mxConstants.NONE};
 function mxText(a,b,c,d,e,f,g,k,l,m,n,p,q,r,t,u,x,y,B,A,z){mxShape.call(this);this.value=a;this.bounds=b;this.color=null!=e?e:"black";this.align=null!=c?c:mxConstants.ALIGN_CENTER;this.valign=null!=d?d:mxConstants.ALIGN_MIDDLE;this.family=null!=f?f:mxConstants.DEFAULT_FONTFAMILY;this.size=null!=g?g:mxConstants.DEFAULT_FONTSIZE;this.fontStyle=null!=k?k:mxConstants.DEFAULT_FONTSTYLE;this.spacing=parseInt(l||2);this.spacingTop=this.spacing+parseInt(m||0);this.spacingRight=this.spacing+parseInt(n||0);
 this.spacingBottom=this.spacing+parseInt(p||0);this.spacingLeft=this.spacing+parseInt(q||0);this.horizontal=null!=r?r:!0;this.background=t;this.border=u;this.wrap=null!=x?x:!1;this.clipped=null!=y?y:!1;this.overflow=null!=B?B:"visible";this.labelPadding=null!=A?A:0;this.textDirection=z;this.rotation=0;this.updateMargin()}mxUtils.extend(mxText,mxShape);mxText.prototype.baseSpacingTop=0;mxText.prototype.baseSpacingBottom=0;mxText.prototype.baseSpacingLeft=0;mxText.prototype.baseSpacingRight=0;
 mxText.prototype.replaceLinefeeds=!0;mxText.prototype.verticalTextRotation=-90;mxText.prototype.ignoreClippedStringSize=!0;mxText.prototype.ignoreStringSize=!1;mxText.prototype.textWidthPadding=8!=document.documentMode||mxClient.IS_EM?3:4;mxText.prototype.lastValue=null;mxText.prototype.cacheEnabled=!0;mxText.prototype.isParseVml=function(){return!1};mxText.prototype.isHtmlAllowed=function(){return 8!=document.documentMode||mxClient.IS_EM};mxText.prototype.getSvgScreenOffset=function(){return 0};
@@ -10115,7 +10115,7 @@ m=document.createElement("div");m.style.marginBottom="12px";var L=PageSetupDialo
 (this.page.viewState.pageFormat=this.format),null!=this.mathEnabled&&(this.page.viewState.mathEnabled=this.mathEnabled),null!=this.shadowVisible&&(this.page.viewState.shadowVisible=this.shadowVisible)):(I.apply(this,arguments),null!=this.mathEnabled&&this.mathEnabled!=this.ui.isMathEnabled()&&(this.ui.setMathEnabled(this.mathEnabled),this.mathEnabled=!this.mathEnabled),null!=this.shadowVisible&&this.shadowVisible!=this.ui.editor.graph.shadowVisible&&(this.ui.editor.graph.setShadowVisible(this.shadowVisible),
 this.shadowVisible=!this.shadowVisible))};Editor.prototype.useCanvasForExport=!1;try{var J=document.createElement("canvas"),F=new Image;F.onload=function(){try{J.getContext("2d").drawImage(F,0,0);var a=J.toDataURL("image/png");Editor.prototype.useCanvasForExport=null!=a&&6<a.length}catch(M){}};F.src="data:image/svg+xml;base64,"+btoa(unescape(encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="1px" height="1px" version="1.1"><foreignObject pointer-events="all" width="1" height="1"><div xmlns="http://www.w3.org/1999/xhtml"></div></foreignObject></svg>')))}catch(L){}})();
 (function(){var a=new mxObjectCodec(new ChangePageSetup,["ui","previousColor","previousImage","previousFormat"]);a.beforeDecode=function(a,c,b){b.ui=a.ui;return c};a.afterDecode=function(a,c,b){b.previousColor=b.color;b.previousImage=b.image;b.previousFormat=b.format;null!=b.foldingEnabled&&(b.foldingEnabled=!b.foldingEnabled);null!=b.mathEnabled&&(b.mathEnabled=!b.mathEnabled);null!=b.shadowVisible&&(b.shadowVisible=!b.shadowVisible);return b};mxCodecRegistry.register(a)})();
-(function(){var a=new mxObjectCodec(new ChangeGridColor,["ui"]);a.beforeDecode=function(a,c,b){b.ui=a.ui;return c};mxCodecRegistry.register(a)})();(function(){EditorUi.VERSION="14.1.7";EditorUi.compactUi="atlas"!=uiTheme;mxGraphView.prototype.defaultDarkGridColor="#6e6e6e";"dark"==uiTheme&&(mxGraphView.prototype.gridColor=mxGraphView.prototype.defaultDarkGridColor);EditorUi.enableLogging="1"!=urlParams.stealth&&(/.*\.draw\.io$/.test(window.location.hostname)||/.*\.diagrams\.net$/.test(window.location.hostname))&&"support.draw.io"!=window.location.hostname;EditorUi.drawHost=window.DRAWIO_BASE_URL;EditorUi.lightboxHost=window.DRAWIO_LIGHTBOX_URL;
+(function(){var a=new mxObjectCodec(new ChangeGridColor,["ui"]);a.beforeDecode=function(a,c,b){b.ui=a.ui;return c};mxCodecRegistry.register(a)})();(function(){EditorUi.VERSION="14.1.8";EditorUi.compactUi="atlas"!=uiTheme;mxGraphView.prototype.defaultDarkGridColor="#6e6e6e";"dark"==uiTheme&&(mxGraphView.prototype.gridColor=mxGraphView.prototype.defaultDarkGridColor);EditorUi.enableLogging="1"!=urlParams.stealth&&(/.*\.draw\.io$/.test(window.location.hostname)||/.*\.diagrams\.net$/.test(window.location.hostname))&&"support.draw.io"!=window.location.hostname;EditorUi.drawHost=window.DRAWIO_BASE_URL;EditorUi.lightboxHost=window.DRAWIO_LIGHTBOX_URL;
 EditorUi.lastErrorMessage=null;EditorUi.ignoredAnonymizedChars="\n\t`~!@#$%^&*()_+{}|:\"<>?-=[];'./,\n\t";EditorUi.templateFile=TEMPLATE_PATH+"/index.xml";EditorUi.cacheUrl="1"==urlParams.dev?"/cache":window.REALTIME_URL;null==EditorUi.cacheUrl&&"undefined"!==typeof DrawioFile&&(DrawioFile.SYNC="none");Editor.cacheTimeout=1E4;EditorUi.enablePlantUml=EditorUi.enableLogging;EditorUi.isElectronApp=null!=window&&null!=window.process&&null!=window.process.versions&&null!=window.process.versions.electron;
 EditorUi.enableDrafts=!mxClient.IS_CHROMEAPP&&!EditorUi.isElectronApp&&isLocalStorage&&"0"!=urlParams.drafts;EditorUi.scratchpadHelpLink="https://www.diagrams.net/doc/faq/scratchpad";EditorUi.defaultMermaidConfig={theme:"neutral",arrowMarkerAbsolute:!1,flowchart:{htmlLabels:!1},sequence:{diagramMarginX:50,diagramMarginY:10,actorMargin:50,width:150,height:65,boxMargin:10,boxTextMargin:5,noteMargin:10,messageMargin:35,mirrorActors:!0,bottomMarginAdj:1,useMaxWidth:!0,rightAngles:!1,showSequenceNumbers:!1},
 gantt:{titleTopMargin:25,barHeight:20,barGap:4,topPadding:50,leftPadding:75,gridLineStartPadding:35,fontSize:11,fontFamily:'"Open-Sans", "sans-serif"',numberSectionStyles:4,axisFormat:"%Y-%m-%d"}};EditorUi.logError=function(a,b,c,d,f,g,l){g=null!=g?g:0<=a.indexOf("NetworkError")||0<=a.indexOf("SecurityError")||0<=a.indexOf("NS_ERROR_FAILURE")||0<=a.indexOf("out of memory")?"CONFIG":"SEVERE";if(EditorUi.enableLogging&&"1"!=urlParams.dev)try{if(a!=EditorUi.lastErrorMessage&&(null==a||null==b||-1==a.indexOf("Script error")&&
diff --git a/src/main/webapp/js/viewer-static.min.js b/src/main/webapp/js/viewer-static.min.js
index e22a2766..61218351 100644
--- a/src/main/webapp/js/viewer-static.min.js
+++ b/src/main/webapp/js/viewer-static.min.js
@@ -203,7 +203,7 @@ function setCurrentXml(a,b){null!=window.parent&&null!=window.parent.openFile&&w
 (function(){if("undefined"!==typeof JSON&&isLocalStorage)try{var a=localStorage.getItem(".drawio-config"),b=!0;null!=a&&(b=JSON.parse(a).showStartScreen);0==b&&(urlParams.splash="0")}catch(d){}a=urlParams["export"];null!=a&&(a=decodeURIComponent(a),"http://"!=a.substring(0,7)&&"https://"!=a.substring(0,8)&&(a="http://"+a),EXPORT_URL=a);a=urlParams.gitlab;null!=a&&(a=decodeURIComponent(a),"http://"!=a.substring(0,7)&&"https://"!=a.substring(0,8)&&(a="http://"+a),DRAWIO_GITLAB_URL=a);a=urlParams["gitlab-id"];
 null!=a&&(DRAWIO_GITLAB_ID=a);window.DRAWIO_LOG_URL=window.DRAWIO_LOG_URL||"";a=window.location.host;if("test.draw.io"!=a){var c="diagrams.net",b=a.length-c.length,c=a.lastIndexOf(c,b);-1!==c&&c===b?window.DRAWIO_LOG_URL="https://log.diagrams.net":(c="draw.io",b=a.length-c.length,c=a.lastIndexOf(c,b),-1!==c&&c===b&&(window.DRAWIO_LOG_URL="https://log.draw.io"))}})();
 if("1"==urlParams.offline||"1"==urlParams.demo||"1"==urlParams.stealth||"1"==urlParams.local)urlParams.picker="0",urlParams.gapi="0",urlParams.db="0",urlParams.od="0",urlParams.gh="0",urlParams.gl="0",urlParams.tr="0";if("1"==urlParams.offline||"1"==urlParams.local)urlParams.math="0";"embed.diagrams.net"==window.location.hostname&&(urlParams.embed="1");(null==window.location.hash||1>=window.location.hash.length)&&null!=urlParams.open&&(window.location.hash=urlParams.open);window.urlParams=window.urlParams||{};window.MAX_REQUEST_SIZE=window.MAX_REQUEST_SIZE||10485760;window.MAX_AREA=window.MAX_AREA||225E6;window.EXPORT_URL=window.EXPORT_URL||"/export";window.SAVE_URL=window.SAVE_URL||"/save";window.OPEN_URL=window.OPEN_URL||"/open";window.RESOURCES_PATH=window.RESOURCES_PATH||"resources";window.RESOURCE_BASE=window.RESOURCE_BASE||window.RESOURCES_PATH+"/grapheditor";window.STENCIL_PATH=window.STENCIL_PATH||"stencils";window.IMAGE_PATH=window.IMAGE_PATH||"images";
-window.STYLE_PATH=window.STYLE_PATH||"styles";window.CSS_PATH=window.CSS_PATH||"styles";window.OPEN_FORM=window.OPEN_FORM||"open.html";window.mxBasePath=window.mxBasePath||"mxgraph";window.mxImageBasePath=window.mxImageBasePath||"mxgraph/images";window.mxLanguage=window.mxLanguage||urlParams.lang;window.mxLanguages=window.mxLanguages||["de","se"];var mxClient={VERSION:"14.1.6",IS_IE:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE"),IS_IE6:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE 6"),IS_IE11:null!=navigator.userAgent&&!!navigator.userAgent.match(/Trident\/7\./),IS_EDGE:null!=navigator.userAgent&&!!navigator.userAgent.match(/Edge\//),IS_QUIRKS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE")&&(null==document.documentMode||5==document.documentMode),IS_EM:"spellcheck"in document.createElement("textarea")&&
+window.STYLE_PATH=window.STYLE_PATH||"styles";window.CSS_PATH=window.CSS_PATH||"styles";window.OPEN_FORM=window.OPEN_FORM||"open.html";window.mxBasePath=window.mxBasePath||"mxgraph";window.mxImageBasePath=window.mxImageBasePath||"mxgraph/images";window.mxLanguage=window.mxLanguage||urlParams.lang;window.mxLanguages=window.mxLanguages||["de","se"];var mxClient={VERSION:"14.1.7",IS_IE:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE"),IS_IE6:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE 6"),IS_IE11:null!=navigator.userAgent&&!!navigator.userAgent.match(/Trident\/7\./),IS_EDGE:null!=navigator.userAgent&&!!navigator.userAgent.match(/Edge\//),IS_QUIRKS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE")&&(null==document.documentMode||5==document.documentMode),IS_EM:"spellcheck"in document.createElement("textarea")&&
 8==document.documentMode,VML_PREFIX:"v",OFFICE_PREFIX:"o",IS_NS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("Mozilla/")&&0>navigator.userAgent.indexOf("MSIE")&&0>navigator.userAgent.indexOf("Edge/"),IS_OP:null!=navigator.userAgent&&(0<=navigator.userAgent.indexOf("Opera/")||0<=navigator.userAgent.indexOf("OPR/")),IS_OT:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("Presto/")&&0>navigator.userAgent.indexOf("Presto/2.4.")&&0>navigator.userAgent.indexOf("Presto/2.3.")&&0>navigator.userAgent.indexOf("Presto/2.2.")&&
 0>navigator.userAgent.indexOf("Presto/2.1.")&&0>navigator.userAgent.indexOf("Presto/2.0.")&&0>navigator.userAgent.indexOf("Presto/1."),IS_SF:/Apple Computer, Inc/.test(navigator.vendor),IS_ANDROID:0<=navigator.appVersion.indexOf("Android"),IS_IOS:/iP(hone|od|ad)/.test(navigator.platform),IS_GC:/Google Inc/.test(navigator.vendor),IS_CHROMEAPP:null!=window.chrome&&null!=chrome.app&&null!=chrome.app.runtime,IS_FF:"undefined"!==typeof InstallTrigger,IS_MT:0<=navigator.userAgent.indexOf("Firefox/")&&0>
 navigator.userAgent.indexOf("Firefox/1.")&&0>navigator.userAgent.indexOf("Firefox/2.")||0<=navigator.userAgent.indexOf("Iceweasel/")&&0>navigator.userAgent.indexOf("Iceweasel/1.")&&0>navigator.userAgent.indexOf("Iceweasel/2.")||0<=navigator.userAgent.indexOf("SeaMonkey/")&&0>navigator.userAgent.indexOf("SeaMonkey/1.")||0<=navigator.userAgent.indexOf("Iceape/")&&0>navigator.userAgent.indexOf("Iceape/1."),IS_VML:"MICROSOFT INTERNET EXPLORER"==navigator.appName.toUpperCase(),IS_SVG:"MICROSOFT INTERNET EXPLORER"!=
@@ -619,8 +619,8 @@ mxUtils.addTransparentBackgroundFilter(a):this.setTransparentBackgroundImage(a)}
 mxShape.prototype.updateHtmlBounds=function(a){var b=9<=document.documentMode?0:Math.ceil(this.strokewidth*this.scale);a.style.borderWidth=Math.max(1,b)+"px";a.style.overflow="hidden";a.style.left=Math.round(this.bounds.x-b/2)+"px";a.style.top=Math.round(this.bounds.y-b/2)+"px";"CSS1Compat"==document.compatMode&&(b=-b);a.style.width=Math.round(Math.max(0,this.bounds.width+b))+"px";a.style.height=Math.round(Math.max(0,this.bounds.height+b))+"px"};
 mxShape.prototype.destroyCanvas=function(a){if(a instanceof mxSvgCanvas2D){for(var b in a.gradients){var c=a.gradients[b];null!=c&&(c.mxRefCount=(c.mxRefCount||0)+1)}this.releaseSvgGradients(this.oldGradients);this.oldGradients=a.gradients}};mxShape.prototype.beforePaint=function(a){};mxShape.prototype.afterPaint=function(a){};
 mxShape.prototype.paint=function(a){var b=!1;if(null!=a&&this.outline){var c=a.stroke;a.stroke=function(){b=!0;c.apply(this,arguments)};var d=a.fillAndStroke;a.fillAndStroke=function(){b=!0;d.apply(this,arguments)}}var e=this.scale,f=this.bounds.x/e,g=this.bounds.y/e,k=this.bounds.width/e,l=this.bounds.height/e;if(this.isPaintBoundsInverted())var m=(k-l)/2,f=f+m,g=g-m,m=k,k=l,l=m;this.updateTransform(a,f,g,k,l);this.configureCanvas(a,f,g,k,l);m=null;if(null==this.stencil&&null==this.points&&this.shapePointerEvents||
-null!=this.stencil&&this.stencilPointerEvents){var n=this.createBoundingBox();this.dialect==mxConstants.DIALECT_SVG?(m=this.createTransparentSvgRectangle(n.x,n.y,n.width,n.height),this.node.appendChild(m)):(e=a.createRect("rect",n.x/e,n.y/e,n.width/e,n.height/e),e.appendChild(a.createTransparentFill()),e.stroked="false",a.root.appendChild(e))}null!=this.stencil?this.stencil.drawShape(a,this,f,g,k,l):(a.setStrokeWidth(this.strokewidth),e=this.getWaypoints(),null!=e?this.paintEdgeShape(a,e):this.paintVertexShape(a,
-f,g,k,l));null!=m&&null!=a.state&&null!=a.state.transform&&m.setAttribute("transform",a.state.transform);null!=a&&this.outline&&!b&&(a.rect(f,g,k,l),a.stroke())};mxShape.prototype.getWaypoints=function(){var a=this.points,b=null;if(null!=a&&(b=[],0<a.length)){var c=this.scale,d=Math.max(c,1),e=a[0];b.push(new mxPoint(e.x/c,e.y/c));for(var f=1;f<a.length;f++){var g=a[f];(Math.abs(e.x-g.x)>=d||Math.abs(e.y-g.y)>=d)&&b.push(new mxPoint(g.x/c,g.y/c));e=g}}return b};
+null!=this.stencil&&this.stencilPointerEvents){var n=this.createBoundingBox();this.dialect==mxConstants.DIALECT_SVG?(m=this.createTransparentSvgRectangle(n.x,n.y,n.width,n.height),this.node.appendChild(m)):(e=a.createRect("rect",n.x/e,n.y/e,n.width/e,n.height/e),e.appendChild(a.createTransparentFill()),e.stroked="false",a.root.appendChild(e))}null!=this.stencil?this.stencil.drawShape(a,this,f,g,k,l):(a.setStrokeWidth(this.strokewidth),e=this.getWaypoints(),null!=e?1<e.length&&this.paintEdgeShape(a,
+e):this.paintVertexShape(a,f,g,k,l));null!=m&&null!=a.state&&null!=a.state.transform&&m.setAttribute("transform",a.state.transform);null!=a&&this.outline&&!b&&(a.rect(f,g,k,l),a.stroke())};mxShape.prototype.getWaypoints=function(){var a=this.points,b=null;if(null!=a&&(b=[],0<a.length)){var c=this.scale,d=Math.max(c,1),e=a[0];b.push(new mxPoint(e.x/c,e.y/c));for(var f=1;f<a.length;f++){var g=a[f];(Math.abs(e.x-g.x)>=d||Math.abs(e.y-g.y)>=d)&&b.push(new mxPoint(g.x/c,g.y/c));e=g}}return b};
 mxShape.prototype.configureCanvas=function(a,b,c,d,e){var f=null;null!=this.style&&(f=this.style.dashPattern);a.setAlpha(this.opacity/100);a.setFillAlpha(this.fillOpacity/100);a.setStrokeAlpha(this.strokeOpacity/100);null!=this.isShadow&&a.setShadow(this.isShadow);null!=this.isDashed&&a.setDashed(this.isDashed,null!=this.style?1==mxUtils.getValue(this.style,mxConstants.STYLE_FIX_DASH,!1):!1);null!=f&&a.setDashPattern(f);null!=this.fill&&this.fill!=mxConstants.NONE&&this.gradient&&this.gradient!=mxConstants.NONE?
 (b=this.getGradientBounds(a,b,c,d,e),a.setGradient(this.fill,this.gradient,b.x,b.y,b.width,b.height,this.gradientDirection)):a.setFillColor(this.fill);a.setStrokeColor(this.stroke)};mxShape.prototype.getGradientBounds=function(a,b,c,d,e){return new mxRectangle(b,c,d,e)};mxShape.prototype.updateTransform=function(a,b,c,d,e){a.scale(this.scale);a.rotate(this.getShapeRotation(),this.flipH,this.flipV,b+d/2,c+e/2)};
 mxShape.prototype.paintVertexShape=function(a,b,c,d,e){this.paintBackground(a,b,c,d,e);this.outline&&null!=this.style&&0!=mxUtils.getValue(this.style,mxConstants.STYLE_BACKGROUND_OUTLINE,0)||(a.setShadow(!1),this.paintForeground(a,b,c,d,e))};mxShape.prototype.paintBackground=function(a,b,c,d,e){};mxShape.prototype.paintForeground=function(a,b,c,d,e){};mxShape.prototype.paintEdgeShape=function(a,b){};
@@ -677,13 +677,13 @@ mxArrow.prototype.paintEdgeShape=function(a,b){var c=mxConstants.ARROW_SPACING,d
 function mxArrowConnector(a,b,c,d,e,f,g){mxShape.call(this);this.points=a;this.fill=b;this.stroke=c;this.strokewidth=null!=d?d:1;this.arrowWidth=null!=e?e:mxConstants.ARROW_WIDTH;this.arrowSpacing=null!=f?f:mxConstants.ARROW_SPACING;this.startSize=mxConstants.ARROW_SIZE/5;this.endSize=mxConstants.ARROW_SIZE/5}mxUtils.extend(mxArrowConnector,mxShape);mxArrowConnector.prototype.useSvgBoundingBox=!0;mxArrowConnector.prototype.isRoundable=function(){return!0};
 mxArrowConnector.prototype.resetStyles=function(){mxShape.prototype.resetStyles.apply(this,arguments);this.arrowSpacing=mxConstants.ARROW_SPACING};mxArrowConnector.prototype.apply=function(a){mxShape.prototype.apply.apply(this,arguments);null!=this.style&&(this.startSize=3*mxUtils.getNumber(this.style,mxConstants.STYLE_STARTSIZE,mxConstants.ARROW_SIZE/5),this.endSize=3*mxUtils.getNumber(this.style,mxConstants.STYLE_ENDSIZE,mxConstants.ARROW_SIZE/5))};
 mxArrowConnector.prototype.augmentBoundingBox=function(a){mxShape.prototype.augmentBoundingBox.apply(this,arguments);var b=this.getEdgeWidth();this.isMarkerStart()&&(b=Math.max(b,this.getStartArrowWidth()));this.isMarkerEnd()&&(b=Math.max(b,this.getEndArrowWidth()));a.grow((b/2+this.strokewidth)*this.scale)};
-mxArrowConnector.prototype.paintEdgeShape=function(a,b){var c=this.strokewidth;this.outline&&(c=Math.max(1,mxUtils.getNumber(this.style,mxConstants.STYLE_STROKEWIDTH,this.strokewidth)));for(var d=this.getStartArrowWidth()+c,e=this.getEndArrowWidth()+c,f=this.outline?this.getEdgeWidth()+c:this.getEdgeWidth(),g=this.isOpenEnded(),k=this.isMarkerStart(),l=this.isMarkerEnd(),m=g?0:this.arrowSpacing+c/2,n=this.startSize+c,c=this.endSize+c,p=this.isArrowRounded(),q=b[b.length-1],r=1;r<b.length-1&&b[r].x==
-b[0].x&&b[r].y==b[0].y;)r++;var t=b[r].x-b[0].x,r=b[r].y-b[0].y,u=Math.sqrt(t*t+r*r);if(0!=u){var x=t/u,y,B=x,A=r/u,z,C=A,u=f*A,v=-f*x,D=[];p?a.setLineJoin("round"):2<b.length&&a.setMiterLimit(1.42);a.begin();t=x;r=A;if(k&&!g)this.paintMarker(a,b[0].x,b[0].y,x,A,n,d,f,m,!0);else{y=b[0].x+u/2+m*x;z=b[0].y+v/2+m*A;var G=b[0].x-u/2+m*x,J=b[0].y-v/2+m*A;g?(a.moveTo(y,z),D.push(function(){a.lineTo(G,J)})):(a.moveTo(G,J),a.lineTo(y,z))}for(var E=z=y=0,u=0;u<b.length-2;u++)if(v=mxUtils.relativeCcw(b[u].x,
-b[u].y,b[u+1].x,b[u+1].y,b[u+2].x,b[u+2].y),y=b[u+2].x-b[u+1].x,z=b[u+2].y-b[u+1].y,E=Math.sqrt(y*y+z*z),0!=E){B=y/E;C=z/E;E=Math.max(Math.sqrt((x*B+A*C+1)/2),.04);y=x+B;z=A+C;var H=Math.sqrt(y*y+z*z);if(0!=H){y/=H;z/=H;var H=Math.max(E,Math.min(this.strokewidth/200+.04,.35)),E=0!=v&&p?Math.max(.1,H):Math.max(E,.06),I=b[u+1].x+z*f/2/E,F=b[u+1].y-y*f/2/E;z=b[u+1].x-z*f/2/E;y=b[u+1].y+y*f/2/E;0!=v&&p?-1==v?(v=z+C*f,E=y-B*f,a.lineTo(z+A*f,y-x*f),a.quadTo(I,F,v,E),function(b,c){D.push(function(){a.lineTo(b,
-c)})}(z,y)):(a.lineTo(I,F),function(b,c){var d=I-A*f,e=F+x*f,g=I-C*f,k=F+B*f;D.push(function(){a.quadTo(b,c,d,e)});D.push(function(){a.lineTo(g,k)})}(z,y)):(a.lineTo(I,F),function(b,c){D.push(function(){a.lineTo(b,c)})}(z,y));x=B;A=C}}u=f*C;v=-f*B;if(l&&!g)this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!1);else{a.lineTo(q.x-m*B+u/2,q.y-m*C+v/2);var K=q.x-m*B-u/2,L=q.y-m*C-v/2;g?(a.moveTo(K,L),D.splice(0,0,function(){a.moveTo(K,L)})):a.lineTo(K,L)}for(u=D.length-1;0<=u;u--)D[u]();g?(a.end(),a.stroke()):
-(a.close(),a.fillAndStroke());a.setShadow(!1);a.setMiterLimit(4);p&&a.setLineJoin("flat");2<b.length&&(a.setMiterLimit(4),k&&!g&&(a.begin(),this.paintMarker(a,b[0].x,b[0].y,t,r,n,d,f,m,!0),a.stroke(),a.end()),l&&!g&&(a.begin(),this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!0),a.stroke(),a.end()))}};
-mxArrowConnector.prototype.paintMarker=function(a,b,c,d,e,f,g,k,l,m){g=k/g;var n=k*e/2;k=-k*d/2;var p=(l+f)*d;f=(l+f)*e;m?a.moveTo(b-n+p,c-k+f):a.lineTo(b-n+p,c-k+f);a.lineTo(b-n/g+p,c-k/g+f);a.lineTo(b+l*d,c+l*e);a.lineTo(b+n/g+p,c+k/g+f);a.lineTo(b+n+p,c+k+f)};mxArrowConnector.prototype.isArrowRounded=function(){return this.isRounded};mxArrowConnector.prototype.getStartArrowWidth=function(){return mxConstants.ARROW_WIDTH};mxArrowConnector.prototype.getEndArrowWidth=function(){return mxConstants.ARROW_WIDTH};
-mxArrowConnector.prototype.getEdgeWidth=function(){return mxConstants.ARROW_WIDTH/3};mxArrowConnector.prototype.isOpenEnded=function(){return!1};mxArrowConnector.prototype.isMarkerStart=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_STARTARROW,mxConstants.NONE)!=mxConstants.NONE};mxArrowConnector.prototype.isMarkerEnd=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_ENDARROW,mxConstants.NONE)!=mxConstants.NONE};
+mxArrowConnector.prototype.paintEdgeShape=function(a,b){var c=this.strokewidth;this.outline&&(c=Math.max(1,mxUtils.getNumber(this.style,mxConstants.STYLE_STROKEWIDTH,this.strokewidth)));var d=this.getStartArrowWidth()+c,e=this.getEndArrowWidth()+c,f=this.outline?this.getEdgeWidth()+c:this.getEdgeWidth(),g=this.isOpenEnded(),k=this.isMarkerStart(),l=this.isMarkerEnd(),m=g?0:this.arrowSpacing+c/2,n=this.startSize+c,c=this.endSize+c,p=this.isArrowRounded(),q=b[b.length-1],r=b[1].x-b[0].x,t=b[1].y-b[0].y,
+u=Math.sqrt(r*r+t*t);if(0!=u){var x=r/u,y,B=x,A=t/u,z,C=A,u=f*A,v=-f*x,D=[];p?a.setLineJoin("round"):2<b.length&&a.setMiterLimit(1.42);a.begin();r=x;t=A;if(k&&!g)this.paintMarker(a,b[0].x,b[0].y,x,A,n,d,f,m,!0);else{y=b[0].x+u/2+m*x;z=b[0].y+v/2+m*A;var G=b[0].x-u/2+m*x,J=b[0].y-v/2+m*A;g?(a.moveTo(y,z),D.push(function(){a.lineTo(G,J)})):(a.moveTo(G,J),a.lineTo(y,z))}for(var E=z=y=0,u=0;u<b.length-2;u++)if(v=mxUtils.relativeCcw(b[u].x,b[u].y,b[u+1].x,b[u+1].y,b[u+2].x,b[u+2].y),y=b[u+2].x-b[u+1].x,
+z=b[u+2].y-b[u+1].y,E=Math.sqrt(y*y+z*z),0!=E){B=y/E;C=z/E;E=Math.max(Math.sqrt((x*B+A*C+1)/2),.04);y=x+B;z=A+C;var H=Math.sqrt(y*y+z*z);if(0!=H){y/=H;z/=H;var H=Math.max(E,Math.min(this.strokewidth/200+.04,.35)),E=0!=v&&p?Math.max(.1,H):Math.max(E,.06),I=b[u+1].x+z*f/2/E,F=b[u+1].y-y*f/2/E;z=b[u+1].x-z*f/2/E;y=b[u+1].y+y*f/2/E;0!=v&&p?-1==v?(v=z+C*f,E=y-B*f,a.lineTo(z+A*f,y-x*f),a.quadTo(I,F,v,E),function(b,c){D.push(function(){a.lineTo(b,c)})}(z,y)):(a.lineTo(I,F),function(b,c){var d=I-A*f,e=F+
+x*f,g=I-C*f,k=F+B*f;D.push(function(){a.quadTo(b,c,d,e)});D.push(function(){a.lineTo(g,k)})}(z,y)):(a.lineTo(I,F),function(b,c){D.push(function(){a.lineTo(b,c)})}(z,y));x=B;A=C}}u=f*C;v=-f*B;if(l&&!g)this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!1);else{a.lineTo(q.x-m*B+u/2,q.y-m*C+v/2);var K=q.x-m*B-u/2,L=q.y-m*C-v/2;g?(a.moveTo(K,L),D.splice(0,0,function(){a.moveTo(K,L)})):a.lineTo(K,L)}for(u=D.length-1;0<=u;u--)D[u]();g?(a.end(),a.stroke()):(a.close(),a.fillAndStroke());a.setShadow(!1);a.setMiterLimit(4);
+p&&a.setLineJoin("flat");2<b.length&&(a.setMiterLimit(4),k&&!g&&(a.begin(),this.paintMarker(a,b[0].x,b[0].y,r,t,n,d,f,m,!0),a.stroke(),a.end()),l&&!g&&(a.begin(),this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!0),a.stroke(),a.end()))}};mxArrowConnector.prototype.paintMarker=function(a,b,c,d,e,f,g,k,l,m){g=k/g;var n=k*e/2;k=-k*d/2;var p=(l+f)*d;f=(l+f)*e;m?a.moveTo(b-n+p,c-k+f):a.lineTo(b-n+p,c-k+f);a.lineTo(b-n/g+p,c-k/g+f);a.lineTo(b+l*d,c+l*e);a.lineTo(b+n/g+p,c+k/g+f);a.lineTo(b+n+p,c+k+f)};
+mxArrowConnector.prototype.isArrowRounded=function(){return this.isRounded};mxArrowConnector.prototype.getStartArrowWidth=function(){return mxConstants.ARROW_WIDTH};mxArrowConnector.prototype.getEndArrowWidth=function(){return mxConstants.ARROW_WIDTH};mxArrowConnector.prototype.getEdgeWidth=function(){return mxConstants.ARROW_WIDTH/3};mxArrowConnector.prototype.isOpenEnded=function(){return!1};
+mxArrowConnector.prototype.isMarkerStart=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_STARTARROW,mxConstants.NONE)!=mxConstants.NONE};mxArrowConnector.prototype.isMarkerEnd=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_ENDARROW,mxConstants.NONE)!=mxConstants.NONE};
 function mxText(a,b,c,d,e,f,g,k,l,m,n,p,q,r,t,u,x,y,B,A,z){mxShape.call(this);this.value=a;this.bounds=b;this.color=null!=e?e:"black";this.align=null!=c?c:mxConstants.ALIGN_CENTER;this.valign=null!=d?d:mxConstants.ALIGN_MIDDLE;this.family=null!=f?f:mxConstants.DEFAULT_FONTFAMILY;this.size=null!=g?g:mxConstants.DEFAULT_FONTSIZE;this.fontStyle=null!=k?k:mxConstants.DEFAULT_FONTSTYLE;this.spacing=parseInt(l||2);this.spacingTop=this.spacing+parseInt(m||0);this.spacingRight=this.spacing+parseInt(n||0);
 this.spacingBottom=this.spacing+parseInt(p||0);this.spacingLeft=this.spacing+parseInt(q||0);this.horizontal=null!=r?r:!0;this.background=t;this.border=u;this.wrap=null!=x?x:!1;this.clipped=null!=y?y:!1;this.overflow=null!=B?B:"visible";this.labelPadding=null!=A?A:0;this.textDirection=z;this.rotation=0;this.updateMargin()}mxUtils.extend(mxText,mxShape);mxText.prototype.baseSpacingTop=0;mxText.prototype.baseSpacingBottom=0;mxText.prototype.baseSpacingLeft=0;mxText.prototype.baseSpacingRight=0;
 mxText.prototype.replaceLinefeeds=!0;mxText.prototype.verticalTextRotation=-90;mxText.prototype.ignoreClippedStringSize=!0;mxText.prototype.ignoreStringSize=!1;mxText.prototype.textWidthPadding=8!=document.documentMode||mxClient.IS_EM?3:4;mxText.prototype.lastValue=null;mxText.prototype.cacheEnabled=!0;mxText.prototype.isParseVml=function(){return!1};mxText.prototype.isHtmlAllowed=function(){return 8!=document.documentMode||mxClient.IS_EM};mxText.prototype.getSvgScreenOffset=function(){return 0};
@@ -3232,7 +3232,7 @@ e=document.createElement("div");e.style.marginBottom="12px";var J=PageSetupDialo
 (this.page.viewState.pageFormat=this.format),null!=this.mathEnabled&&(this.page.viewState.mathEnabled=this.mathEnabled),null!=this.shadowVisible&&(this.page.viewState.shadowVisible=this.shadowVisible)):(L.apply(this,arguments),null!=this.mathEnabled&&this.mathEnabled!=this.ui.isMathEnabled()&&(this.ui.setMathEnabled(this.mathEnabled),this.mathEnabled=!this.mathEnabled),null!=this.shadowVisible&&this.shadowVisible!=this.ui.editor.graph.shadowVisible&&(this.ui.editor.graph.setShadowVisible(this.shadowVisible),
 this.shadowVisible=!this.shadowVisible))};Editor.prototype.useCanvasForExport=!1;try{var N=document.createElement("canvas"),F=new Image;F.onload=function(){try{N.getContext("2d").drawImage(F,0,0);var a=N.toDataURL("image/png");Editor.prototype.useCanvasForExport=null!=a&&6<a.length}catch(K){}};F.src="data:image/svg+xml;base64,"+btoa(unescape(encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="1px" height="1px" version="1.1"><foreignObject pointer-events="all" width="1" height="1"><div xmlns="http://www.w3.org/1999/xhtml"></div></foreignObject></svg>')))}catch(v){}})();
 (function(){var a=new mxObjectCodec(new ChangePageSetup,["ui","previousColor","previousImage","previousFormat"]);a.beforeDecode=function(a,b,e){e.ui=a.ui;return b};a.afterDecode=function(a,b,e){e.previousColor=e.color;e.previousImage=e.image;e.previousFormat=e.format;null!=e.foldingEnabled&&(e.foldingEnabled=!e.foldingEnabled);null!=e.mathEnabled&&(e.mathEnabled=!e.mathEnabled);null!=e.shadowVisible&&(e.shadowVisible=!e.shadowVisible);return e};mxCodecRegistry.register(a)})();
-(function(){var a=new mxObjectCodec(new ChangeGridColor,["ui"]);a.beforeDecode=function(a,b,e){e.ui=a.ui;return b};mxCodecRegistry.register(a)})();(function(){EditorUi.VERSION="14.1.7";EditorUi.compactUi="atlas"!=uiTheme;mxGraphView.prototype.defaultDarkGridColor="#6e6e6e";"dark"==uiTheme&&(mxGraphView.prototype.gridColor=mxGraphView.prototype.defaultDarkGridColor);EditorUi.enableLogging="1"!=urlParams.stealth&&(/.*\.draw\.io$/.test(window.location.hostname)||/.*\.diagrams\.net$/.test(window.location.hostname))&&"support.draw.io"!=window.location.hostname;EditorUi.drawHost=window.DRAWIO_BASE_URL;EditorUi.lightboxHost=window.DRAWIO_LIGHTBOX_URL;
+(function(){var a=new mxObjectCodec(new ChangeGridColor,["ui"]);a.beforeDecode=function(a,b,e){e.ui=a.ui;return b};mxCodecRegistry.register(a)})();(function(){EditorUi.VERSION="14.1.8";EditorUi.compactUi="atlas"!=uiTheme;mxGraphView.prototype.defaultDarkGridColor="#6e6e6e";"dark"==uiTheme&&(mxGraphView.prototype.gridColor=mxGraphView.prototype.defaultDarkGridColor);EditorUi.enableLogging="1"!=urlParams.stealth&&(/.*\.draw\.io$/.test(window.location.hostname)||/.*\.diagrams\.net$/.test(window.location.hostname))&&"support.draw.io"!=window.location.hostname;EditorUi.drawHost=window.DRAWIO_BASE_URL;EditorUi.lightboxHost=window.DRAWIO_LIGHTBOX_URL;
 EditorUi.lastErrorMessage=null;EditorUi.ignoredAnonymizedChars="\n\t`~!@#$%^&*()_+{}|:\"<>?-=[];'./,\n\t";EditorUi.templateFile=TEMPLATE_PATH+"/index.xml";EditorUi.cacheUrl="1"==urlParams.dev?"/cache":window.REALTIME_URL;null==EditorUi.cacheUrl&&"undefined"!==typeof DrawioFile&&(DrawioFile.SYNC="none");Editor.cacheTimeout=1E4;EditorUi.enablePlantUml=EditorUi.enableLogging;EditorUi.isElectronApp=null!=window&&null!=window.process&&null!=window.process.versions&&null!=window.process.versions.electron;
 EditorUi.enableDrafts=!mxClient.IS_CHROMEAPP&&!EditorUi.isElectronApp&&isLocalStorage&&"0"!=urlParams.drafts;EditorUi.scratchpadHelpLink="https://www.diagrams.net/doc/faq/scratchpad";EditorUi.defaultMermaidConfig={theme:"neutral",arrowMarkerAbsolute:!1,flowchart:{htmlLabels:!1},sequence:{diagramMarginX:50,diagramMarginY:10,actorMargin:50,width:150,height:65,boxMargin:10,boxTextMargin:5,noteMargin:10,messageMargin:35,mirrorActors:!0,bottomMarginAdj:1,useMaxWidth:!0,rightAngles:!1,showSequenceNumbers:!1},
 gantt:{titleTopMargin:25,barHeight:20,barGap:4,topPadding:50,leftPadding:75,gridLineStartPadding:35,fontSize:11,fontFamily:'"Open-Sans", "sans-serif"',numberSectionStyles:4,axisFormat:"%Y-%m-%d"}};EditorUi.logError=function(a,b,d,e,l,p,t){p=null!=p?p:0<=a.indexOf("NetworkError")||0<=a.indexOf("SecurityError")||0<=a.indexOf("NS_ERROR_FAILURE")||0<=a.indexOf("out of memory")?"CONFIG":"SEVERE";if(EditorUi.enableLogging&&"1"!=urlParams.dev)try{if(a!=EditorUi.lastErrorMessage&&(null==a||null==b||-1==a.indexOf("Script error")&&
diff --git a/src/main/webapp/js/viewer.min.js b/src/main/webapp/js/viewer.min.js
index 152bd142..802692a0 100644
--- a/src/main/webapp/js/viewer.min.js
+++ b/src/main/webapp/js/viewer.min.js
@@ -203,7 +203,7 @@ function setCurrentXml(a,b){null!=window.parent&&null!=window.parent.openFile&&w
 (function(){if("undefined"!==typeof JSON&&isLocalStorage)try{var a=localStorage.getItem(".drawio-config"),b=!0;null!=a&&(b=JSON.parse(a).showStartScreen);0==b&&(urlParams.splash="0")}catch(d){}a=urlParams["export"];null!=a&&(a=decodeURIComponent(a),"http://"!=a.substring(0,7)&&"https://"!=a.substring(0,8)&&(a="http://"+a),EXPORT_URL=a);a=urlParams.gitlab;null!=a&&(a=decodeURIComponent(a),"http://"!=a.substring(0,7)&&"https://"!=a.substring(0,8)&&(a="http://"+a),DRAWIO_GITLAB_URL=a);a=urlParams["gitlab-id"];
 null!=a&&(DRAWIO_GITLAB_ID=a);window.DRAWIO_LOG_URL=window.DRAWIO_LOG_URL||"";a=window.location.host;if("test.draw.io"!=a){var c="diagrams.net",b=a.length-c.length,c=a.lastIndexOf(c,b);-1!==c&&c===b?window.DRAWIO_LOG_URL="https://log.diagrams.net":(c="draw.io",b=a.length-c.length,c=a.lastIndexOf(c,b),-1!==c&&c===b&&(window.DRAWIO_LOG_URL="https://log.draw.io"))}})();
 if("1"==urlParams.offline||"1"==urlParams.demo||"1"==urlParams.stealth||"1"==urlParams.local)urlParams.picker="0",urlParams.gapi="0",urlParams.db="0",urlParams.od="0",urlParams.gh="0",urlParams.gl="0",urlParams.tr="0";if("1"==urlParams.offline||"1"==urlParams.local)urlParams.math="0";"embed.diagrams.net"==window.location.hostname&&(urlParams.embed="1");(null==window.location.hash||1>=window.location.hash.length)&&null!=urlParams.open&&(window.location.hash=urlParams.open);window.urlParams=window.urlParams||{};window.MAX_REQUEST_SIZE=window.MAX_REQUEST_SIZE||10485760;window.MAX_AREA=window.MAX_AREA||225E6;window.EXPORT_URL=window.EXPORT_URL||"/export";window.SAVE_URL=window.SAVE_URL||"/save";window.OPEN_URL=window.OPEN_URL||"/open";window.RESOURCES_PATH=window.RESOURCES_PATH||"resources";window.RESOURCE_BASE=window.RESOURCE_BASE||window.RESOURCES_PATH+"/grapheditor";window.STENCIL_PATH=window.STENCIL_PATH||"stencils";window.IMAGE_PATH=window.IMAGE_PATH||"images";
-window.STYLE_PATH=window.STYLE_PATH||"styles";window.CSS_PATH=window.CSS_PATH||"styles";window.OPEN_FORM=window.OPEN_FORM||"open.html";window.mxBasePath=window.mxBasePath||"mxgraph";window.mxImageBasePath=window.mxImageBasePath||"mxgraph/images";window.mxLanguage=window.mxLanguage||urlParams.lang;window.mxLanguages=window.mxLanguages||["de","se"];var mxClient={VERSION:"14.1.6",IS_IE:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE"),IS_IE6:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE 6"),IS_IE11:null!=navigator.userAgent&&!!navigator.userAgent.match(/Trident\/7\./),IS_EDGE:null!=navigator.userAgent&&!!navigator.userAgent.match(/Edge\//),IS_QUIRKS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE")&&(null==document.documentMode||5==document.documentMode),IS_EM:"spellcheck"in document.createElement("textarea")&&
+window.STYLE_PATH=window.STYLE_PATH||"styles";window.CSS_PATH=window.CSS_PATH||"styles";window.OPEN_FORM=window.OPEN_FORM||"open.html";window.mxBasePath=window.mxBasePath||"mxgraph";window.mxImageBasePath=window.mxImageBasePath||"mxgraph/images";window.mxLanguage=window.mxLanguage||urlParams.lang;window.mxLanguages=window.mxLanguages||["de","se"];var mxClient={VERSION:"14.1.7",IS_IE:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE"),IS_IE6:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE 6"),IS_IE11:null!=navigator.userAgent&&!!navigator.userAgent.match(/Trident\/7\./),IS_EDGE:null!=navigator.userAgent&&!!navigator.userAgent.match(/Edge\//),IS_QUIRKS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE")&&(null==document.documentMode||5==document.documentMode),IS_EM:"spellcheck"in document.createElement("textarea")&&
 8==document.documentMode,VML_PREFIX:"v",OFFICE_PREFIX:"o",IS_NS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("Mozilla/")&&0>navigator.userAgent.indexOf("MSIE")&&0>navigator.userAgent.indexOf("Edge/"),IS_OP:null!=navigator.userAgent&&(0<=navigator.userAgent.indexOf("Opera/")||0<=navigator.userAgent.indexOf("OPR/")),IS_OT:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("Presto/")&&0>navigator.userAgent.indexOf("Presto/2.4.")&&0>navigator.userAgent.indexOf("Presto/2.3.")&&0>navigator.userAgent.indexOf("Presto/2.2.")&&
 0>navigator.userAgent.indexOf("Presto/2.1.")&&0>navigator.userAgent.indexOf("Presto/2.0.")&&0>navigator.userAgent.indexOf("Presto/1."),IS_SF:/Apple Computer, Inc/.test(navigator.vendor),IS_ANDROID:0<=navigator.appVersion.indexOf("Android"),IS_IOS:/iP(hone|od|ad)/.test(navigator.platform),IS_GC:/Google Inc/.test(navigator.vendor),IS_CHROMEAPP:null!=window.chrome&&null!=chrome.app&&null!=chrome.app.runtime,IS_FF:"undefined"!==typeof InstallTrigger,IS_MT:0<=navigator.userAgent.indexOf("Firefox/")&&0>
 navigator.userAgent.indexOf("Firefox/1.")&&0>navigator.userAgent.indexOf("Firefox/2.")||0<=navigator.userAgent.indexOf("Iceweasel/")&&0>navigator.userAgent.indexOf("Iceweasel/1.")&&0>navigator.userAgent.indexOf("Iceweasel/2.")||0<=navigator.userAgent.indexOf("SeaMonkey/")&&0>navigator.userAgent.indexOf("SeaMonkey/1.")||0<=navigator.userAgent.indexOf("Iceape/")&&0>navigator.userAgent.indexOf("Iceape/1."),IS_VML:"MICROSOFT INTERNET EXPLORER"==navigator.appName.toUpperCase(),IS_SVG:"MICROSOFT INTERNET EXPLORER"!=
@@ -619,8 +619,8 @@ mxUtils.addTransparentBackgroundFilter(a):this.setTransparentBackgroundImage(a)}
 mxShape.prototype.updateHtmlBounds=function(a){var b=9<=document.documentMode?0:Math.ceil(this.strokewidth*this.scale);a.style.borderWidth=Math.max(1,b)+"px";a.style.overflow="hidden";a.style.left=Math.round(this.bounds.x-b/2)+"px";a.style.top=Math.round(this.bounds.y-b/2)+"px";"CSS1Compat"==document.compatMode&&(b=-b);a.style.width=Math.round(Math.max(0,this.bounds.width+b))+"px";a.style.height=Math.round(Math.max(0,this.bounds.height+b))+"px"};
 mxShape.prototype.destroyCanvas=function(a){if(a instanceof mxSvgCanvas2D){for(var b in a.gradients){var c=a.gradients[b];null!=c&&(c.mxRefCount=(c.mxRefCount||0)+1)}this.releaseSvgGradients(this.oldGradients);this.oldGradients=a.gradients}};mxShape.prototype.beforePaint=function(a){};mxShape.prototype.afterPaint=function(a){};
 mxShape.prototype.paint=function(a){var b=!1;if(null!=a&&this.outline){var c=a.stroke;a.stroke=function(){b=!0;c.apply(this,arguments)};var d=a.fillAndStroke;a.fillAndStroke=function(){b=!0;d.apply(this,arguments)}}var e=this.scale,f=this.bounds.x/e,g=this.bounds.y/e,k=this.bounds.width/e,l=this.bounds.height/e;if(this.isPaintBoundsInverted())var m=(k-l)/2,f=f+m,g=g-m,m=k,k=l,l=m;this.updateTransform(a,f,g,k,l);this.configureCanvas(a,f,g,k,l);m=null;if(null==this.stencil&&null==this.points&&this.shapePointerEvents||
-null!=this.stencil&&this.stencilPointerEvents){var n=this.createBoundingBox();this.dialect==mxConstants.DIALECT_SVG?(m=this.createTransparentSvgRectangle(n.x,n.y,n.width,n.height),this.node.appendChild(m)):(e=a.createRect("rect",n.x/e,n.y/e,n.width/e,n.height/e),e.appendChild(a.createTransparentFill()),e.stroked="false",a.root.appendChild(e))}null!=this.stencil?this.stencil.drawShape(a,this,f,g,k,l):(a.setStrokeWidth(this.strokewidth),e=this.getWaypoints(),null!=e?this.paintEdgeShape(a,e):this.paintVertexShape(a,
-f,g,k,l));null!=m&&null!=a.state&&null!=a.state.transform&&m.setAttribute("transform",a.state.transform);null!=a&&this.outline&&!b&&(a.rect(f,g,k,l),a.stroke())};mxShape.prototype.getWaypoints=function(){var a=this.points,b=null;if(null!=a&&(b=[],0<a.length)){var c=this.scale,d=Math.max(c,1),e=a[0];b.push(new mxPoint(e.x/c,e.y/c));for(var f=1;f<a.length;f++){var g=a[f];(Math.abs(e.x-g.x)>=d||Math.abs(e.y-g.y)>=d)&&b.push(new mxPoint(g.x/c,g.y/c));e=g}}return b};
+null!=this.stencil&&this.stencilPointerEvents){var n=this.createBoundingBox();this.dialect==mxConstants.DIALECT_SVG?(m=this.createTransparentSvgRectangle(n.x,n.y,n.width,n.height),this.node.appendChild(m)):(e=a.createRect("rect",n.x/e,n.y/e,n.width/e,n.height/e),e.appendChild(a.createTransparentFill()),e.stroked="false",a.root.appendChild(e))}null!=this.stencil?this.stencil.drawShape(a,this,f,g,k,l):(a.setStrokeWidth(this.strokewidth),e=this.getWaypoints(),null!=e?1<e.length&&this.paintEdgeShape(a,
+e):this.paintVertexShape(a,f,g,k,l));null!=m&&null!=a.state&&null!=a.state.transform&&m.setAttribute("transform",a.state.transform);null!=a&&this.outline&&!b&&(a.rect(f,g,k,l),a.stroke())};mxShape.prototype.getWaypoints=function(){var a=this.points,b=null;if(null!=a&&(b=[],0<a.length)){var c=this.scale,d=Math.max(c,1),e=a[0];b.push(new mxPoint(e.x/c,e.y/c));for(var f=1;f<a.length;f++){var g=a[f];(Math.abs(e.x-g.x)>=d||Math.abs(e.y-g.y)>=d)&&b.push(new mxPoint(g.x/c,g.y/c));e=g}}return b};
 mxShape.prototype.configureCanvas=function(a,b,c,d,e){var f=null;null!=this.style&&(f=this.style.dashPattern);a.setAlpha(this.opacity/100);a.setFillAlpha(this.fillOpacity/100);a.setStrokeAlpha(this.strokeOpacity/100);null!=this.isShadow&&a.setShadow(this.isShadow);null!=this.isDashed&&a.setDashed(this.isDashed,null!=this.style?1==mxUtils.getValue(this.style,mxConstants.STYLE_FIX_DASH,!1):!1);null!=f&&a.setDashPattern(f);null!=this.fill&&this.fill!=mxConstants.NONE&&this.gradient&&this.gradient!=mxConstants.NONE?
 (b=this.getGradientBounds(a,b,c,d,e),a.setGradient(this.fill,this.gradient,b.x,b.y,b.width,b.height,this.gradientDirection)):a.setFillColor(this.fill);a.setStrokeColor(this.stroke)};mxShape.prototype.getGradientBounds=function(a,b,c,d,e){return new mxRectangle(b,c,d,e)};mxShape.prototype.updateTransform=function(a,b,c,d,e){a.scale(this.scale);a.rotate(this.getShapeRotation(),this.flipH,this.flipV,b+d/2,c+e/2)};
 mxShape.prototype.paintVertexShape=function(a,b,c,d,e){this.paintBackground(a,b,c,d,e);this.outline&&null!=this.style&&0!=mxUtils.getValue(this.style,mxConstants.STYLE_BACKGROUND_OUTLINE,0)||(a.setShadow(!1),this.paintForeground(a,b,c,d,e))};mxShape.prototype.paintBackground=function(a,b,c,d,e){};mxShape.prototype.paintForeground=function(a,b,c,d,e){};mxShape.prototype.paintEdgeShape=function(a,b){};
@@ -677,13 +677,13 @@ mxArrow.prototype.paintEdgeShape=function(a,b){var c=mxConstants.ARROW_SPACING,d
 function mxArrowConnector(a,b,c,d,e,f,g){mxShape.call(this);this.points=a;this.fill=b;this.stroke=c;this.strokewidth=null!=d?d:1;this.arrowWidth=null!=e?e:mxConstants.ARROW_WIDTH;this.arrowSpacing=null!=f?f:mxConstants.ARROW_SPACING;this.startSize=mxConstants.ARROW_SIZE/5;this.endSize=mxConstants.ARROW_SIZE/5}mxUtils.extend(mxArrowConnector,mxShape);mxArrowConnector.prototype.useSvgBoundingBox=!0;mxArrowConnector.prototype.isRoundable=function(){return!0};
 mxArrowConnector.prototype.resetStyles=function(){mxShape.prototype.resetStyles.apply(this,arguments);this.arrowSpacing=mxConstants.ARROW_SPACING};mxArrowConnector.prototype.apply=function(a){mxShape.prototype.apply.apply(this,arguments);null!=this.style&&(this.startSize=3*mxUtils.getNumber(this.style,mxConstants.STYLE_STARTSIZE,mxConstants.ARROW_SIZE/5),this.endSize=3*mxUtils.getNumber(this.style,mxConstants.STYLE_ENDSIZE,mxConstants.ARROW_SIZE/5))};
 mxArrowConnector.prototype.augmentBoundingBox=function(a){mxShape.prototype.augmentBoundingBox.apply(this,arguments);var b=this.getEdgeWidth();this.isMarkerStart()&&(b=Math.max(b,this.getStartArrowWidth()));this.isMarkerEnd()&&(b=Math.max(b,this.getEndArrowWidth()));a.grow((b/2+this.strokewidth)*this.scale)};
-mxArrowConnector.prototype.paintEdgeShape=function(a,b){var c=this.strokewidth;this.outline&&(c=Math.max(1,mxUtils.getNumber(this.style,mxConstants.STYLE_STROKEWIDTH,this.strokewidth)));for(var d=this.getStartArrowWidth()+c,e=this.getEndArrowWidth()+c,f=this.outline?this.getEdgeWidth()+c:this.getEdgeWidth(),g=this.isOpenEnded(),k=this.isMarkerStart(),l=this.isMarkerEnd(),m=g?0:this.arrowSpacing+c/2,n=this.startSize+c,c=this.endSize+c,p=this.isArrowRounded(),q=b[b.length-1],r=1;r<b.length-1&&b[r].x==
-b[0].x&&b[r].y==b[0].y;)r++;var t=b[r].x-b[0].x,r=b[r].y-b[0].y,u=Math.sqrt(t*t+r*r);if(0!=u){var x=t/u,y,B=x,A=r/u,z,C=A,u=f*A,v=-f*x,D=[];p?a.setLineJoin("round"):2<b.length&&a.setMiterLimit(1.42);a.begin();t=x;r=A;if(k&&!g)this.paintMarker(a,b[0].x,b[0].y,x,A,n,d,f,m,!0);else{y=b[0].x+u/2+m*x;z=b[0].y+v/2+m*A;var G=b[0].x-u/2+m*x,J=b[0].y-v/2+m*A;g?(a.moveTo(y,z),D.push(function(){a.lineTo(G,J)})):(a.moveTo(G,J),a.lineTo(y,z))}for(var E=z=y=0,u=0;u<b.length-2;u++)if(v=mxUtils.relativeCcw(b[u].x,
-b[u].y,b[u+1].x,b[u+1].y,b[u+2].x,b[u+2].y),y=b[u+2].x-b[u+1].x,z=b[u+2].y-b[u+1].y,E=Math.sqrt(y*y+z*z),0!=E){B=y/E;C=z/E;E=Math.max(Math.sqrt((x*B+A*C+1)/2),.04);y=x+B;z=A+C;var H=Math.sqrt(y*y+z*z);if(0!=H){y/=H;z/=H;var H=Math.max(E,Math.min(this.strokewidth/200+.04,.35)),E=0!=v&&p?Math.max(.1,H):Math.max(E,.06),I=b[u+1].x+z*f/2/E,F=b[u+1].y-y*f/2/E;z=b[u+1].x-z*f/2/E;y=b[u+1].y+y*f/2/E;0!=v&&p?-1==v?(v=z+C*f,E=y-B*f,a.lineTo(z+A*f,y-x*f),a.quadTo(I,F,v,E),function(b,c){D.push(function(){a.lineTo(b,
-c)})}(z,y)):(a.lineTo(I,F),function(b,c){var d=I-A*f,e=F+x*f,g=I-C*f,k=F+B*f;D.push(function(){a.quadTo(b,c,d,e)});D.push(function(){a.lineTo(g,k)})}(z,y)):(a.lineTo(I,F),function(b,c){D.push(function(){a.lineTo(b,c)})}(z,y));x=B;A=C}}u=f*C;v=-f*B;if(l&&!g)this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!1);else{a.lineTo(q.x-m*B+u/2,q.y-m*C+v/2);var K=q.x-m*B-u/2,L=q.y-m*C-v/2;g?(a.moveTo(K,L),D.splice(0,0,function(){a.moveTo(K,L)})):a.lineTo(K,L)}for(u=D.length-1;0<=u;u--)D[u]();g?(a.end(),a.stroke()):
-(a.close(),a.fillAndStroke());a.setShadow(!1);a.setMiterLimit(4);p&&a.setLineJoin("flat");2<b.length&&(a.setMiterLimit(4),k&&!g&&(a.begin(),this.paintMarker(a,b[0].x,b[0].y,t,r,n,d,f,m,!0),a.stroke(),a.end()),l&&!g&&(a.begin(),this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!0),a.stroke(),a.end()))}};
-mxArrowConnector.prototype.paintMarker=function(a,b,c,d,e,f,g,k,l,m){g=k/g;var n=k*e/2;k=-k*d/2;var p=(l+f)*d;f=(l+f)*e;m?a.moveTo(b-n+p,c-k+f):a.lineTo(b-n+p,c-k+f);a.lineTo(b-n/g+p,c-k/g+f);a.lineTo(b+l*d,c+l*e);a.lineTo(b+n/g+p,c+k/g+f);a.lineTo(b+n+p,c+k+f)};mxArrowConnector.prototype.isArrowRounded=function(){return this.isRounded};mxArrowConnector.prototype.getStartArrowWidth=function(){return mxConstants.ARROW_WIDTH};mxArrowConnector.prototype.getEndArrowWidth=function(){return mxConstants.ARROW_WIDTH};
-mxArrowConnector.prototype.getEdgeWidth=function(){return mxConstants.ARROW_WIDTH/3};mxArrowConnector.prototype.isOpenEnded=function(){return!1};mxArrowConnector.prototype.isMarkerStart=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_STARTARROW,mxConstants.NONE)!=mxConstants.NONE};mxArrowConnector.prototype.isMarkerEnd=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_ENDARROW,mxConstants.NONE)!=mxConstants.NONE};
+mxArrowConnector.prototype.paintEdgeShape=function(a,b){var c=this.strokewidth;this.outline&&(c=Math.max(1,mxUtils.getNumber(this.style,mxConstants.STYLE_STROKEWIDTH,this.strokewidth)));var d=this.getStartArrowWidth()+c,e=this.getEndArrowWidth()+c,f=this.outline?this.getEdgeWidth()+c:this.getEdgeWidth(),g=this.isOpenEnded(),k=this.isMarkerStart(),l=this.isMarkerEnd(),m=g?0:this.arrowSpacing+c/2,n=this.startSize+c,c=this.endSize+c,p=this.isArrowRounded(),q=b[b.length-1],r=b[1].x-b[0].x,t=b[1].y-b[0].y,
+u=Math.sqrt(r*r+t*t);if(0!=u){var x=r/u,y,B=x,A=t/u,z,C=A,u=f*A,v=-f*x,D=[];p?a.setLineJoin("round"):2<b.length&&a.setMiterLimit(1.42);a.begin();r=x;t=A;if(k&&!g)this.paintMarker(a,b[0].x,b[0].y,x,A,n,d,f,m,!0);else{y=b[0].x+u/2+m*x;z=b[0].y+v/2+m*A;var G=b[0].x-u/2+m*x,J=b[0].y-v/2+m*A;g?(a.moveTo(y,z),D.push(function(){a.lineTo(G,J)})):(a.moveTo(G,J),a.lineTo(y,z))}for(var E=z=y=0,u=0;u<b.length-2;u++)if(v=mxUtils.relativeCcw(b[u].x,b[u].y,b[u+1].x,b[u+1].y,b[u+2].x,b[u+2].y),y=b[u+2].x-b[u+1].x,
+z=b[u+2].y-b[u+1].y,E=Math.sqrt(y*y+z*z),0!=E){B=y/E;C=z/E;E=Math.max(Math.sqrt((x*B+A*C+1)/2),.04);y=x+B;z=A+C;var H=Math.sqrt(y*y+z*z);if(0!=H){y/=H;z/=H;var H=Math.max(E,Math.min(this.strokewidth/200+.04,.35)),E=0!=v&&p?Math.max(.1,H):Math.max(E,.06),I=b[u+1].x+z*f/2/E,F=b[u+1].y-y*f/2/E;z=b[u+1].x-z*f/2/E;y=b[u+1].y+y*f/2/E;0!=v&&p?-1==v?(v=z+C*f,E=y-B*f,a.lineTo(z+A*f,y-x*f),a.quadTo(I,F,v,E),function(b,c){D.push(function(){a.lineTo(b,c)})}(z,y)):(a.lineTo(I,F),function(b,c){var d=I-A*f,e=F+
+x*f,g=I-C*f,k=F+B*f;D.push(function(){a.quadTo(b,c,d,e)});D.push(function(){a.lineTo(g,k)})}(z,y)):(a.lineTo(I,F),function(b,c){D.push(function(){a.lineTo(b,c)})}(z,y));x=B;A=C}}u=f*C;v=-f*B;if(l&&!g)this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!1);else{a.lineTo(q.x-m*B+u/2,q.y-m*C+v/2);var K=q.x-m*B-u/2,L=q.y-m*C-v/2;g?(a.moveTo(K,L),D.splice(0,0,function(){a.moveTo(K,L)})):a.lineTo(K,L)}for(u=D.length-1;0<=u;u--)D[u]();g?(a.end(),a.stroke()):(a.close(),a.fillAndStroke());a.setShadow(!1);a.setMiterLimit(4);
+p&&a.setLineJoin("flat");2<b.length&&(a.setMiterLimit(4),k&&!g&&(a.begin(),this.paintMarker(a,b[0].x,b[0].y,r,t,n,d,f,m,!0),a.stroke(),a.end()),l&&!g&&(a.begin(),this.paintMarker(a,q.x,q.y,-x,-A,c,e,f,m,!0),a.stroke(),a.end()))}};mxArrowConnector.prototype.paintMarker=function(a,b,c,d,e,f,g,k,l,m){g=k/g;var n=k*e/2;k=-k*d/2;var p=(l+f)*d;f=(l+f)*e;m?a.moveTo(b-n+p,c-k+f):a.lineTo(b-n+p,c-k+f);a.lineTo(b-n/g+p,c-k/g+f);a.lineTo(b+l*d,c+l*e);a.lineTo(b+n/g+p,c+k/g+f);a.lineTo(b+n+p,c+k+f)};
+mxArrowConnector.prototype.isArrowRounded=function(){return this.isRounded};mxArrowConnector.prototype.getStartArrowWidth=function(){return mxConstants.ARROW_WIDTH};mxArrowConnector.prototype.getEndArrowWidth=function(){return mxConstants.ARROW_WIDTH};mxArrowConnector.prototype.getEdgeWidth=function(){return mxConstants.ARROW_WIDTH/3};mxArrowConnector.prototype.isOpenEnded=function(){return!1};
+mxArrowConnector.prototype.isMarkerStart=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_STARTARROW,mxConstants.NONE)!=mxConstants.NONE};mxArrowConnector.prototype.isMarkerEnd=function(){return mxUtils.getValue(this.style,mxConstants.STYLE_ENDARROW,mxConstants.NONE)!=mxConstants.NONE};
 function mxText(a,b,c,d,e,f,g,k,l,m,n,p,q,r,t,u,x,y,B,A,z){mxShape.call(this);this.value=a;this.bounds=b;this.color=null!=e?e:"black";this.align=null!=c?c:mxConstants.ALIGN_CENTER;this.valign=null!=d?d:mxConstants.ALIGN_MIDDLE;this.family=null!=f?f:mxConstants.DEFAULT_FONTFAMILY;this.size=null!=g?g:mxConstants.DEFAULT_FONTSIZE;this.fontStyle=null!=k?k:mxConstants.DEFAULT_FONTSTYLE;this.spacing=parseInt(l||2);this.spacingTop=this.spacing+parseInt(m||0);this.spacingRight=this.spacing+parseInt(n||0);
 this.spacingBottom=this.spacing+parseInt(p||0);this.spacingLeft=this.spacing+parseInt(q||0);this.horizontal=null!=r?r:!0;this.background=t;this.border=u;this.wrap=null!=x?x:!1;this.clipped=null!=y?y:!1;this.overflow=null!=B?B:"visible";this.labelPadding=null!=A?A:0;this.textDirection=z;this.rotation=0;this.updateMargin()}mxUtils.extend(mxText,mxShape);mxText.prototype.baseSpacingTop=0;mxText.prototype.baseSpacingBottom=0;mxText.prototype.baseSpacingLeft=0;mxText.prototype.baseSpacingRight=0;
 mxText.prototype.replaceLinefeeds=!0;mxText.prototype.verticalTextRotation=-90;mxText.prototype.ignoreClippedStringSize=!0;mxText.prototype.ignoreStringSize=!1;mxText.prototype.textWidthPadding=8!=document.documentMode||mxClient.IS_EM?3:4;mxText.prototype.lastValue=null;mxText.prototype.cacheEnabled=!0;mxText.prototype.isParseVml=function(){return!1};mxText.prototype.isHtmlAllowed=function(){return 8!=document.documentMode||mxClient.IS_EM};mxText.prototype.getSvgScreenOffset=function(){return 0};
@@ -3232,7 +3232,7 @@ e=document.createElement("div");e.style.marginBottom="12px";var J=PageSetupDialo
 (this.page.viewState.pageFormat=this.format),null!=this.mathEnabled&&(this.page.viewState.mathEnabled=this.mathEnabled),null!=this.shadowVisible&&(this.page.viewState.shadowVisible=this.shadowVisible)):(L.apply(this,arguments),null!=this.mathEnabled&&this.mathEnabled!=this.ui.isMathEnabled()&&(this.ui.setMathEnabled(this.mathEnabled),this.mathEnabled=!this.mathEnabled),null!=this.shadowVisible&&this.shadowVisible!=this.ui.editor.graph.shadowVisible&&(this.ui.editor.graph.setShadowVisible(this.shadowVisible),
 this.shadowVisible=!this.shadowVisible))};Editor.prototype.useCanvasForExport=!1;try{var N=document.createElement("canvas"),F=new Image;F.onload=function(){try{N.getContext("2d").drawImage(F,0,0);var a=N.toDataURL("image/png");Editor.prototype.useCanvasForExport=null!=a&&6<a.length}catch(K){}};F.src="data:image/svg+xml;base64,"+btoa(unescape(encodeURIComponent('<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="1px" height="1px" version="1.1"><foreignObject pointer-events="all" width="1" height="1"><div xmlns="http://www.w3.org/1999/xhtml"></div></foreignObject></svg>')))}catch(v){}})();
 (function(){var a=new mxObjectCodec(new ChangePageSetup,["ui","previousColor","previousImage","previousFormat"]);a.beforeDecode=function(a,b,e){e.ui=a.ui;return b};a.afterDecode=function(a,b,e){e.previousColor=e.color;e.previousImage=e.image;e.previousFormat=e.format;null!=e.foldingEnabled&&(e.foldingEnabled=!e.foldingEnabled);null!=e.mathEnabled&&(e.mathEnabled=!e.mathEnabled);null!=e.shadowVisible&&(e.shadowVisible=!e.shadowVisible);return e};mxCodecRegistry.register(a)})();
-(function(){var a=new mxObjectCodec(new ChangeGridColor,["ui"]);a.beforeDecode=function(a,b,e){e.ui=a.ui;return b};mxCodecRegistry.register(a)})();(function(){EditorUi.VERSION="14.1.7";EditorUi.compactUi="atlas"!=uiTheme;mxGraphView.prototype.defaultDarkGridColor="#6e6e6e";"dark"==uiTheme&&(mxGraphView.prototype.gridColor=mxGraphView.prototype.defaultDarkGridColor);EditorUi.enableLogging="1"!=urlParams.stealth&&(/.*\.draw\.io$/.test(window.location.hostname)||/.*\.diagrams\.net$/.test(window.location.hostname))&&"support.draw.io"!=window.location.hostname;EditorUi.drawHost=window.DRAWIO_BASE_URL;EditorUi.lightboxHost=window.DRAWIO_LIGHTBOX_URL;
+(function(){var a=new mxObjectCodec(new ChangeGridColor,["ui"]);a.beforeDecode=function(a,b,e){e.ui=a.ui;return b};mxCodecRegistry.register(a)})();(function(){EditorUi.VERSION="14.1.8";EditorUi.compactUi="atlas"!=uiTheme;mxGraphView.prototype.defaultDarkGridColor="#6e6e6e";"dark"==uiTheme&&(mxGraphView.prototype.gridColor=mxGraphView.prototype.defaultDarkGridColor);EditorUi.enableLogging="1"!=urlParams.stealth&&(/.*\.draw\.io$/.test(window.location.hostname)||/.*\.diagrams\.net$/.test(window.location.hostname))&&"support.draw.io"!=window.location.hostname;EditorUi.drawHost=window.DRAWIO_BASE_URL;EditorUi.lightboxHost=window.DRAWIO_LIGHTBOX_URL;
 EditorUi.lastErrorMessage=null;EditorUi.ignoredAnonymizedChars="\n\t`~!@#$%^&*()_+{}|:\"<>?-=[];'./,\n\t";EditorUi.templateFile=TEMPLATE_PATH+"/index.xml";EditorUi.cacheUrl="1"==urlParams.dev?"/cache":window.REALTIME_URL;null==EditorUi.cacheUrl&&"undefined"!==typeof DrawioFile&&(DrawioFile.SYNC="none");Editor.cacheTimeout=1E4;EditorUi.enablePlantUml=EditorUi.enableLogging;EditorUi.isElectronApp=null!=window&&null!=window.process&&null!=window.process.versions&&null!=window.process.versions.electron;
 EditorUi.enableDrafts=!mxClient.IS_CHROMEAPP&&!EditorUi.isElectronApp&&isLocalStorage&&"0"!=urlParams.drafts;EditorUi.scratchpadHelpLink="https://www.diagrams.net/doc/faq/scratchpad";EditorUi.defaultMermaidConfig={theme:"neutral",arrowMarkerAbsolute:!1,flowchart:{htmlLabels:!1},sequence:{diagramMarginX:50,diagramMarginY:10,actorMargin:50,width:150,height:65,boxMargin:10,boxTextMargin:5,noteMargin:10,messageMargin:35,mirrorActors:!0,bottomMarginAdj:1,useMaxWidth:!0,rightAngles:!1,showSequenceNumbers:!1},
 gantt:{titleTopMargin:25,barHeight:20,barGap:4,topPadding:50,leftPadding:75,gridLineStartPadding:35,fontSize:11,fontFamily:'"Open-Sans", "sans-serif"',numberSectionStyles:4,axisFormat:"%Y-%m-%d"}};EditorUi.logError=function(a,b,d,e,l,p,t){p=null!=p?p:0<=a.indexOf("NetworkError")||0<=a.indexOf("SecurityError")||0<=a.indexOf("NS_ERROR_FAILURE")||0<=a.indexOf("out of memory")?"CONFIG":"SEVERE";if(EditorUi.enableLogging&&"1"!=urlParams.dev)try{if(a!=EditorUi.lastErrorMessage&&(null==a||null==b||-1==a.indexOf("Script error")&&
diff --git a/src/main/webapp/mxgraph/mxClient.js b/src/main/webapp/mxgraph/mxClient.js
index 261a7855..1d642d91 100644
--- a/src/main/webapp/mxgraph/mxClient.js
+++ b/src/main/webapp/mxgraph/mxClient.js
@@ -1,4 +1,4 @@
-var mxClient={VERSION:"14.1.7",IS_IE:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE"),IS_IE6:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE 6"),IS_IE11:null!=navigator.userAgent&&!!navigator.userAgent.match(/Trident\/7\./),IS_EDGE:null!=navigator.userAgent&&!!navigator.userAgent.match(/Edge\//),IS_QUIRKS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE")&&(null==document.documentMode||5==document.documentMode),IS_EM:"spellcheck"in document.createElement("textarea")&&
+var mxClient={VERSION:"14.1.8",IS_IE:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE"),IS_IE6:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE 6"),IS_IE11:null!=navigator.userAgent&&!!navigator.userAgent.match(/Trident\/7\./),IS_EDGE:null!=navigator.userAgent&&!!navigator.userAgent.match(/Edge\//),IS_QUIRKS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("MSIE")&&(null==document.documentMode||5==document.documentMode),IS_EM:"spellcheck"in document.createElement("textarea")&&
 8==document.documentMode,VML_PREFIX:"v",OFFICE_PREFIX:"o",IS_NS:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("Mozilla/")&&0>navigator.userAgent.indexOf("MSIE")&&0>navigator.userAgent.indexOf("Edge/"),IS_OP:null!=navigator.userAgent&&(0<=navigator.userAgent.indexOf("Opera/")||0<=navigator.userAgent.indexOf("OPR/")),IS_OT:null!=navigator.userAgent&&0<=navigator.userAgent.indexOf("Presto/")&&0>navigator.userAgent.indexOf("Presto/2.4.")&&0>navigator.userAgent.indexOf("Presto/2.3.")&&0>navigator.userAgent.indexOf("Presto/2.2.")&&
 0>navigator.userAgent.indexOf("Presto/2.1.")&&0>navigator.userAgent.indexOf("Presto/2.0.")&&0>navigator.userAgent.indexOf("Presto/1."),IS_SF:/Apple Computer, Inc/.test(navigator.vendor),IS_ANDROID:0<=navigator.appVersion.indexOf("Android"),IS_IOS:/iP(hone|od|ad)/.test(navigator.platform),IS_GC:/Google Inc/.test(navigator.vendor),IS_CHROMEAPP:null!=window.chrome&&null!=chrome.app&&null!=chrome.app.runtime,IS_FF:"undefined"!==typeof InstallTrigger,IS_MT:0<=navigator.userAgent.indexOf("Firefox/")&&0>
 navigator.userAgent.indexOf("Firefox/1.")&&0>navigator.userAgent.indexOf("Firefox/2.")||0<=navigator.userAgent.indexOf("Iceweasel/")&&0>navigator.userAgent.indexOf("Iceweasel/1.")&&0>navigator.userAgent.indexOf("Iceweasel/2.")||0<=navigator.userAgent.indexOf("SeaMonkey/")&&0>navigator.userAgent.indexOf("SeaMonkey/1.")||0<=navigator.userAgent.indexOf("Iceape/")&&0>navigator.userAgent.indexOf("Iceape/1."),IS_VML:"MICROSOFT INTERNET EXPLORER"==navigator.appName.toUpperCase(),IS_SVG:"MICROSOFT INTERNET EXPLORER"!=
diff --git a/src/main/webapp/service-worker.js b/src/main/webapp/service-worker.js
index 44076d36..c10aa2d4 100644
--- a/src/main/webapp/service-worker.js
+++ b/src/main/webapp/service-worker.js
@@ -6,7 +6,7 @@ if (workbox)
 	workbox.precaching.precacheAndRoute([
   {
     "url": "js/app.min.js",
-    "revision": "200d0f58ae873a9a270b77b755dcb6ed"
+    "revision": "7261021f2aa40e93e861c258cb935879"
   },
   {
     "url": "js/extensions.min.js",
@@ -58,7 +58,7 @@ if (workbox)
   },
   {
     "url": "js/viewer-static.min.js",
-    "revision": "2e65fc0c49594dcf720f2f47309ae60f"
+    "revision": "0236d42391dd5bc53f2c96b6476e333d"
   },
   {
     "url": "connect/jira/editor-1-3-3.html",