Disable contacts menu for mentioned users in comments being composed

The contacts menu does not provide too much value for users mentioned in
a message being composed, so it is now disabled in this case.

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

apps/comments/css/comments.css

@@ -127,8 +127,8 @@
 	position: relative;
 }
 
-#commentsTabView .comment .message .avatar-name-wrapper,
-#commentsTabView .comment .message .avatar-name-wrapper .avatar,
+#commentsTabView .comment:not(.newCommentRow) .message .avatar-name-wrapper,
+#commentsTabView .comment:not(.newCommentRow) .message .avatar-name-wrapper .avatar,
 #commentsTabView .comment .authorRow .avatar:not(.currentUser),
 #commentsTabView .comment .authorRow .author:not(.currentUser) {
 	cursor: pointer;