PB-370: Introduce upgrade mechanism for Page Builder content

 - fix static issues

Author: cspruiell

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

@@ -9,9 +9,10 @@ define([
     'use strict';
 
     return function (config, element) {
+        var videoElement = element[0].querySelector('[data-background-type=video]');
+
         showOnHover(config);
 
-        var videoElement = element[0].querySelector('[data-background-type=video]');
         if (videoElement) {
             videoBackground(config, videoElement);
         }

dev/tests/static/testsuite/Magento/Test/Integrity/Xml/ExtendsBaseFormTest.php

@@ -63,7 +63,7 @@ private function getXmlFiles(): array
         $overrideFiles = [
             'pagebuilder_base_form.xml' => '',
             'pagebuilder_map_location_form.xml' => '',
-            'pagebuilder_banner_form.xml' => 'pagebuilder_base_form_with_background_attributes',
+            'pagebuilder_banner_form.xml' => 'pagebuilder_base_form_with_background_video',
             'pagebuilder_column_form.xml' => 'pagebuilder_base_form_with_background_attributes',
             'pagebuilder_slide_form.xml' => 'pagebuilder_base_form_with_background_attributes',
             'pagebuilder_tab_item_form.xml' => 'pagebuilder_base_form_with_background_attributes',