feat(player): 进度条拖动预览改用雪碧图

lib/pages/player/widgets/player_overlay.dart

@@ -266,6 +266,8 @@ class PlayerPlaybackOverlay extends StatelessWidget {
         compact: true,
         locked: data.locked,
         thumbnailService: data.thumbnailService,
+        spriteAxisService: data.spriteAxisService,
+        thumbnailsUrl: data.episode.thumbnailsUrl,
         episodeId: data.episode.id,
         posterUrl: data.drama.posterUrl,
         inactiveTrackColor: Colors.white24,