chore(Parser): Don't ignore BackgroundPromo

It turns out this is not an ad at all.

src/core/Actions.ts

@@ -117,6 +117,9 @@ export default class Actions {
         if (this.#needsLogin(data.browseId) && !this.session.logged_in)
           throw new InnertubeError('You must be signed in to perform this operation.');
       }
+
+      if (Reflect.has(data, 'skip_auth_check'))
+        delete data.skip_auth_check;
 
       if (Reflect.has(data, 'override_endpoint'))
         delete data.override_endpoint;

src/parser/classes/BackgroundPromo.ts

@@ -0,0 +1,25 @@
+import { YTNode } from '../helpers.js';
+import { Parser, type RawNode } from '../index.js';
+import Text from './misc/Text.js';
+import Button from './Button.js';
+import ButtonView from './ButtonView.js';
+
+export default class BackgroundPromo extends YTNode {
+  static type = 'BackgroundPromo';
+
+  public body_text?: Text;
+  public cta_button?: Button | ButtonView | null;
+  public icon_type?: string;
+  public title?: Text;
+
+  constructor(data: RawNode) {
+    super();
+    this.body_text = new Text(data.bodyText);
+    this.cta_button = Parser.parseItem(data.ctaButton, [ Button, ButtonView ]);
+
+    if (Reflect.has(data, 'icon'))
+      this.icon_type = data.icon.iconType;
+
+    this.title = new Text(data.title);
+  }
+}

src/parser/nodes.ts

@@ -24,6 +24,7 @@ export { default as AttributionView } from './classes/AttributionView.js';
 export { default as AudioOnlyPlayability } from './classes/AudioOnlyPlayability.js';
 export { default as AutomixPreviewVideo } from './classes/AutomixPreviewVideo.js';
 export { default as AvatarView } from './classes/AvatarView.js';
+export { default as BackgroundPromo } from './classes/BackgroundPromo.js';
 export { default as BackstageImage } from './classes/BackstageImage.js';
 export { default as BackstagePost } from './classes/BackstagePost.js';
 export { default as BackstagePostThread } from './classes/BackstagePostThread.js';

src/parser/parser.ts

@@ -76,7 +76,6 @@ const IGNORED_LIST = new Set([
   'SearchPyv',
   'MealbarPromo',
   'PrimetimePromo',
-  'BackgroundPromo',
   'PromotedSparklesWeb',
   'CompactPromotedVideo',
   'BrandVideoShelf',