redactor: Upgrade to version 9.2.4

js/redactor-fonts.js

@@ -49,11 +49,13 @@ RedactorPlugins.fontcolor = {
             this.pickerBuild($dropdown, name, colors);
             $(this.$toolbar).append($dropdown);
 
-            this.buttonAddBefore('deleted', name, this.opts.curLang[name], $.proxy(function(btnName, $button, btnObject, e)
+            var btn = this.buttonAddBefore('deleted', name, this.opts.curLang[name], $.proxy(function(btnName, $button, btnObject, e)
             {
                 this.dropdownShow(e, btnName);
 
             }, this));
+
+            btn.data('dropdown', $dropdown);
         }
     },
     pickerBuild: function($dropdown, name, colors)