fix(home): 修复频道快速切换卡 loading

lib/pages/player/player_view.dart

@@ -2,7 +2,6 @@
 
 import 'dart:async';
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
@@ -131,20 +130,25 @@ class _PlayerPageState extends State<PlayerPage>
   void didUpdateWidget(covariant PlayerPage oldWidget) {
     super.didUpdateWidget(oldWidget);
     logic.attach(widget, isMounted: () => mounted);
+    final channelChanged = oldWidget.feedChannel != widget.feedChannel;
+    final feedChanged =
+        _feedSignature(oldWidget.feedDramas) !=
+        _feedSignature(widget.feedDramas);
     if (widget.homeMode &&
         widget.feedDramas != null &&
-        (!listEquals(oldWidget.feedDramas, widget.feedDramas) ||
-            oldWidget.feedChannel != widget.feedChannel)) {
+        (feedChanged || channelChanged)) {
       logic.updateFeed(
         widget.feedDramas!,
-        keepDramaId: oldWidget.feedChannel == widget.feedChannel
-            ? logic.currentDramaId
-            : null,
+        keepDramaId: channelChanged ? null : logic.currentDramaId,
+        resetToFirst: channelChanged,
       );
     }
     logic.onPageUpdated(oldWidget);
   }
 
+  String _feedSignature(List<Drama>? dramas) =>
+      dramas == null ? '' : dramas.map((drama) => drama.id).join('|');
+
   @override
   void didChangeDependencies() {
     super.didChangeDependencies();