ENGCOM-4664: Fix issues inserting Widgets with nested WYSIWYGs #20174

 - Merge Pull Request #20174 from molovo/magento2:patch-1
 - Merged commits:
   1. 3bcf0d8
   2. d4e0c28

Author: magento-engcom-team

lib/web/mage/adminhtml/wysiwyg/widget.js

@@ -456,7 +456,7 @@ define([
                     parameters: params,
                     onComplete: function (transport) {
                         try {
-                            editor = wysiwyg.activeEditor();
+                            editor = wysiwyg.get(this.widgetTargetId);
 
                             widgetTools.onAjaxSuccess(transport);
                             widgetTools.dialogWindow.modal('closeModal');
@@ -469,7 +469,7 @@ define([
                                     editor.selection.select(activeNode);
                                     editor.selection.setContent(transport.responseText);
                                 } else if (this.bMark) {
-                                    wysiwyg.activeEditor().selection.moveToBookmark(this.bMark);
+                                    editor.selection.moveToBookmark(this.bMark);
                                 }
                             }
 
@@ -513,7 +513,7 @@ define([
          * @return {null|wysiwyg.Editor|*}
          */
         getWysiwyg: function () {
-            return wysiwyg.activeEditor();
+            return wysiwyg.get(this.widgetTargetId);
         },
 
         /**