fix(player): 优化双击飘心轨迹

lib/pages/player/widgets/player_overlay.dart

@@ -59,6 +59,7 @@ class PlayerPlaybackOverlay extends StatelessWidget {
         children: [
           Positioned.fill(
             child: PlayerTapGestureRegion(
+              key: const ValueKey('player-tap-gesture-region'),
               gestureKey: const Key('player-video-tap'),
               episodeId: data.episode.id,
               enabled: !scrubbing,