fix(LockupView): Fix content_image parsing

Author: LuanRT

src/parser/classes/LockupView.ts

@@ -1,21 +1,22 @@
 import { YTNode } from '../helpers.js';
 import { Parser, type RawNode } from '../index.js';
+import ThumbnailView from './ThumbnailView.js';
 import CollectionThumbnailView from './CollectionThumbnailView.js';
 import LockupMetadataView from './LockupMetadataView.js';
 import RendererContext from './misc/RendererContext.js';
 
 export default class LockupView extends YTNode {
   static type = 'LockupView';
 
-  public content_image: CollectionThumbnailView | null;
+  public content_image: CollectionThumbnailView | ThumbnailView | null;
   public metadata: LockupMetadataView | null;
   public content_id: string;
   public content_type: 'VIDEO' | 'MOVIE' | 'CHANNEL' | 'CLIP' | 'SOURCE' | 'PLAYLIST' | 'ALBUM' | 'PODCAST' | 'SHOPPING_COLLECTION' | 'SHORT' | 'GAME' | 'PRODUCT';
   public renderer_context: RendererContext;
 
   constructor(data: RawNode) {
     super();
-    this.content_image = Parser.parseItem(data.contentImage, CollectionThumbnailView);
+    this.content_image = Parser.parseItem(data.contentImage, [ CollectionThumbnailView, ThumbnailView ]);
     this.metadata = Parser.parseItem(data.metadata, LockupMetadataView);
     this.content_id = data.contentId;
     this.content_type = data.contentType.replace('LOCKUP_CONTENT_TYPE_', '');

src/parser/classes/ThumbnailView.ts

@@ -4,22 +4,25 @@ import ThumbnailHoverOverlayView from './ThumbnailHoverOverlayView.js';
 import ThumbnailOverlayBadgeView from './ThumbnailOverlayBadgeView.js';
 import Thumbnail from './misc/Thumbnail.js';
 
+export type ThumbnailBackgroundColor = {
+  light_theme: number;
+  dark_theme: number;
+};
+
 export default class ThumbnailView extends YTNode {
   static type = 'ThumbnailView';
 
-  image: Thumbnail[];
-  overlays: (ThumbnailOverlayBadgeView | ThumbnailHoverOverlayView)[];
-  background_color?: {
-    light_theme: number;
-    dark_theme: number;
-  };
+  public image: Thumbnail[];
+  public overlays: (ThumbnailOverlayBadgeView | ThumbnailHoverOverlayView)[];
+  public background_color?: ThumbnailBackgroundColor;
 
   constructor(data: RawNode) {
     super();
 
     this.image = Thumbnail.fromResponse(data.image);
     this.overlays = Parser.parseArray(data.overlays, [ ThumbnailOverlayBadgeView, ThumbnailHoverOverlayView ]);
-    if (data.backgroundColor) {
+    
+    if ('backgroundColor' in data) {
       this.background_color = {
         light_theme: data.backgroundColor.lightTheme,
         dark_theme: data.backgroundColor.darkTheme