fix(player): 使用高清首帧并稳定切集占位

lib/pages/player/player_logic.dart

@@ -462,6 +462,7 @@ class PlayerLogic extends ChangeNotifier {
           likeCount: ticket.likeCount,
           commentCount: ticket.commentCount,
           thumbnailsUrl: ticket.thumbnailsUrl,
+          posterUrl: ticket.posterUrl,
         );
         return true;
       }