feat(app): 播放器增加清晰度档位入口

lib/core/data/repositories/playback_repository.dart

@@ -91,6 +91,7 @@ class FakePlaybackRepository implements PlaybackRepository {
           accessible: true,
           accessType: PlayTicket.free,
           playUrl: '/files/episode/fake-$episodeId.mp4?e=1&s=abc',
+          qualities: const ['AUTO', '720P', '1080P'],
         );
   }
 }