bugfix: set/change page title when switching to file tags

Signed-off-by: Bernd Stellwag <burned@zerties.org>

apps/systemtags/js/systemtagsfilelist.js

@@ -234,6 +234,9 @@
 		},
 
 		reload: function() {
+			// there is only root
+			this._setCurrentDir('/', false);
+
 			if (!this._systemTagIds.length) {
 				// don't reload
 				this.updateEmptyContent();