feat: Add PIP (Picture-in-Picture) support (#2391)

- Closes: #1657

src/components-lib/media-player/updating-image.ts

@@ -1,5 +1,5 @@
 import { LitElement } from 'lit';
-import { FullscreenElement, MediaPlayerController } from '../../types';
+import { FullscreenElement, MediaPlayerController, PIPElement } from '../../types';
 import { CachedValueController } from '../cached-value-controller';
 
 export class UpdatingImageMediaPlayerController implements MediaPlayerController {
@@ -61,4 +61,8 @@ export class UpdatingImageMediaPlayerController implements MediaPlayerController
   public getFullscreenElement(): FullscreenElement | null {
     return this._getImageCallback() ?? null;
   }
+
+  public getPIPElement(): PIPElement | null {
+    return null;
+  }
 }