fix: usr: fixed mxgraph viewer patch (refs #105)

Fixed the patch of the viewer of diagrams in XML format, caused by a
recent change in the Drawio scripts.

assets/javascripts/drawioEditor.js

@@ -563,7 +563,7 @@ window.onDrawioViewerLoad = function() {
 
     // Patch the code `mxEvent.addListener(g,"click",b)`
     var code = GraphViewer.prototype.addToolbar.toString();
-    var searchRegex = /mxEvent\.addListener\(([a-zA-Z]),"click",([a-zA-Z])\)/;
+    var searchRegex = /mxEvent\.addListener\(([a-zA-Z]+),"click",([a-zA-Z]+)\)/;
     var replaceRules = "mxEvent.addListener($1,\"click\",(typeof($2)==='string'?eval($2):$2))";
 
     code = code.replace(searchRegex, replaceRules);

init.rb

@@ -4,7 +4,7 @@
   name 'Redmine Drawio plugin'
   author 'Michele Tessaro'
   description 'Wiki macro plugin for inserting drawio diagrams into Wiki pages and Issues'
-  version '1.3.0'
+  version '1.3.1'
   url 'https://github.com/mikitex70/redmine_drawio'
   author_url 'https://github.com/mikitex70'