AMBARI-13374. Issue with overlay for config groups popup on the ASW (onechiporenko)

ambari-web/app/controllers/main/service/manage_config_groups_controller.js

@@ -656,6 +656,7 @@ App.ManageConfigGroupsController = Em.Controller.extend(App.ConfigOverridable, {
       didInsertElement: function(){
         this.validate();
         this.$('input').focus();
+        this.fitZIndex();
       },
 
       validate: function () {