fix(player): 独立全屏路由复用播放会话

lib/pages/player/widgets/player_overlay.dart

@@ -36,8 +36,6 @@ class PlayerPlaybackOverlay extends StatelessWidget {
     required this.actions,
     required this.controlsVisible,
     required this.scrubbing,
-    this.onVerticalDragUpdate,
-    this.onVerticalDragEnd,
   });
 
   /// 展示数据。
@@ -51,8 +49,6 @@ class PlayerPlaybackOverlay extends StatelessWidget {
 
   /// 正在拖动进度条。拖动期间清屏，只留进度条。
   final bool scrubbing;
-  final GestureDragUpdateCallback? onVerticalDragUpdate;
-  final GestureDragEndCallback? onVerticalDragEnd;
 
   @override
   Widget build(BuildContext context) {
@@ -69,8 +65,6 @@ class PlayerPlaybackOverlay extends StatelessWidget {
                     _handleLongPressStart(details, constraints.maxWidth),
                 onLongPressEnd: (_) => actions.onBoostEnd(),
                 onLongPressCancel: actions.onBoostEnd,
-                onVerticalDragUpdate: onVerticalDragUpdate,
-                onVerticalDragEnd: onVerticalDragEnd,
               ),
             ),
           ),