fix(player): 收敛播放页入口加载态

lib/pages/player/widgets/player_render_stack.dart

@@ -53,13 +53,11 @@ class PlayerRenderStack extends StatefulWidget {
     required this.pageController,
     required this.slots,
     this.onCurrentVideoVisible,
-    this.showNeighbors = true,
   });
 
   final PageController pageController;
   final Map<PlayerRenderSlotRole, PlayerRenderSlotData> slots;
   final ValueChanged<int?>? onCurrentVideoVisible;
-  final bool showNeighbors;
 
   @override
   State<PlayerRenderStack> createState() => _PlayerRenderStackState();
@@ -117,13 +115,11 @@ class _PlayerRenderStackState extends State<PlayerRenderStack> {
                   : MediaQuery.sizeOf(context).height;
               final pageOffset = _pageOffset();
               final currentPage = _currentSlot.pagePosition ?? pageOffset;
-              final slots = widget.showNeighbors
-                  ? [
-                      _slotData(PlayerRenderSlotRole.previous),
-                      _slotData(PlayerRenderSlotRole.current),
-                      _slotData(PlayerRenderSlotRole.next),
-                    ]
-                  : [_slotData(PlayerRenderSlotRole.current)];
+              final slots = [
+                _slotData(PlayerRenderSlotRole.previous),
+                _slotData(PlayerRenderSlotRole.current),
+                _slotData(PlayerRenderSlotRole.next),
+              ];
               return Stack(
                 key: const Key('player-render-stack'),
                 fit: StackFit.expand,