MC-3932: Tab configuration menu is broken when Dynamic Block Content Type is added to Tabs

- Added check for tabs initializer

Author: nathanjosiah

app/code/Magento/PageBuilder/view/base/web/js/content-type/tabs/appearance/default/widget.js

@@ -11,6 +11,11 @@ define([
     return function (config, element) {
         var $element = $(element);
 
+        // Ignore stage builder preview tabs
+        if ($element.is('.pagebuilder-tabs')) {
+            return;
+        }
+
         // Disambiguate between the mage/tabs component which is loaded randomly depending on requirejs order.
         $.ui.tabs({
             active: $element.data('activeTab') || 0,