cloudstack 3.0 UI - dialog widget - remove a line that produced a bug that change event is trigger before data is populated in this dropdown in selectFn($.extend(selectArgs, dependsOnArgs)). Besides, selectFn($.extend(selectArgs, dependsOnArgs)) includes the line, $input.trigger('change'), already.

ui/scripts/ui/dialog.js

@@ -209,8 +209,7 @@
               var dependsOnArgs = {};
 
               $input.find('option').remove();
-              $input.trigger('change');
-
+             
               if (!$target.children().size()) return true;
 
               dependsOnArgs[dependsOn] = $target.val();