fix(player): 复用播放会话进入全屏

lib/pages/player/widgets/player_overlay.dart

@@ -36,6 +36,8 @@ class PlayerPlaybackOverlay extends StatelessWidget {
     required this.actions,
     required this.controlsVisible,
     required this.scrubbing,
+    this.onVerticalDragUpdate,
+    this.onVerticalDragEnd,
   });
 
   /// 展示数据。
@@ -49,6 +51,8 @@ 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) {
@@ -65,6 +69,8 @@ class PlayerPlaybackOverlay extends StatelessWidget {
                     _handleLongPressStart(details, constraints.maxWidth),
                 onLongPressEnd: (_) => actions.onBoostEnd(),
                 onLongPressCancel: actions.onBoostEnd,
+                onVerticalDragUpdate: onVerticalDragUpdate,
+                onVerticalDragEnd: onVerticalDragEnd,
               ),
             ),
           ),