Rever "AMBARI-4043. In installer, default config-group ends up ordered last in the list of config-groups. Additional patch. (akovalenko)" This reverts fbc43ac67b2cd8ed6979c5513d5fe207b49d4c94

ambari-web/app/views/main/service/manage_config_groups_view.js

@@ -71,8 +71,8 @@ App.MainServiceManageConfigGroupView = Em.View.extend({
   },
 
   selectDefaultGroup: function () {
-    if (this.get('controller.isLoaded')) {
-      this.set('selectedConfigGroup', [this.get('controller.configGroups').findProperty('isDefault')]);
+    if ('controller.isLoaded') {
+      this.set('selectedConfigGroup', this.get('controller.configGroups').findProperty('isDefault'));
     }
   }.observes('controller.isLoaded'),