PB-265: Video background for Banner

- fix static test failures

Author: omiroshnichenko

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/banner/_default.less

@@ -125,15 +125,15 @@
     }
 
     &.jarallax {
-        z-index: auto!important;
+        z-index: auto !important;
     }
 
     [id*='jarallax-container'] {
-        z-index: 0!important;
+        z-index: 0 !important;
 
         > iframe,
         > video {
-            z-index: 0!important;
+            z-index: 0 !important;
         }
     }
 }

app/code/Magento/PageBuilder/view/adminhtml/web/js/content-type/banner/preview.js

@@ -29,6 +29,7 @@ import WysiwygFactory from "../../wysiwyg/factory";
 import WysiwygInterface from "../../wysiwyg/wysiwyg-interface";
 import {ContentTypeReadyEventParamsInterface} from "../content-type-events.types";
 import BasePreview from "../preview";
+import {Editor} from "tinymce";
 
 /**
  * @api
@@ -132,15 +133,15 @@ export default class Preview extends BasePreview {
                     },
                 );
                 // @ts-ignore
-                this.wrapper.jarallax &&
-                    this.wrapper.jarallax.video &&
+                if (this.wrapper.jarallax && this.wrapper.jarallax.video) {
                     this.wrapper.jarallax.video.on("started", () => {
                         // @ts-ignore
                         if (this.wrapper.jarallax && this.wrapper.jarallax.$video) {
                             // @ts-ignore
                             this.wrapper.jarallax.$video.style.visibility = "visible";
                         }
-                });
+                    });
+                }
             });
         }
 
@@ -251,7 +252,7 @@ export default class Preview extends BasePreview {
 
         if (focus) {
             wysiwygConfig.adapter.settings.auto_focus = this.element.id;
-            wysiwygConfig.adapter.settings.init_instance_callback = (editor) => {
+            wysiwygConfig.adapter.settings.init_instance_callback = (editor: Editor) => {
                 editor.on("focus", () => {
                     $(this.element).parents(this.bannerOverlaySelector).zIndex(this.activeEditorOverlayZIndex);
                 });

app/code/Magento/PageBuilder/view/adminhtml/web/js/content-type/slide/preview.js

@@ -137,16 +137,17 @@ export default class Preview extends BasePreview {
                         videoLazyLoading: (this.contentType.dataStore.get("video_lazy_load") as string) === "true",
                     },
                 );
-                // @ts-ignore
-                this.wrapper.jarallax &&
-                    this.wrapper.jarallax.video &&
+
+                if (this.wrapper.jarallax && this.wrapper.jarallax.video) {
+                    // @ts-ignore
                     this.wrapper.jarallax.video.on("started", () => {
                         // @ts-ignore
                         if (this.wrapper.jarallax && this.wrapper.jarallax.$video) {
                             // @ts-ignore
                             this.wrapper.jarallax.$video.style.visibility = "visible";
                         }
                     });
+                }
             });
         }