fix(player): 修复返回首页黑屏并恢复预热

lib/pages/player/widgets/player_video_surface.dart

@@ -348,7 +348,9 @@ class _PlayerVideoSurfaceState extends State<PlayerVideoSurface>
     debugPrint(
       '[player-layer] ts=${DateTime.now().millisecondsSinceEpoch} '
       'slot=${widget.debugSlot} index=${widget.debugIndex ?? '-'} '
-      'phase=$phase init=${value?.isInitialized == true ? 1 : 0}',
+      'phase=$phase state=${identityHashCode(this)} '
+      'controller=${widget.controller == null ? '-' : identityHashCode(widget.controller)} '
+      'init=${value?.isInitialized == true ? 1 : 0}',
     );
   }