fix(player): 改为显式清屏交互

lib/l10n/app_localizations_zh.dart

@@ -130,6 +130,9 @@ class AppLocalizationsZh extends AppLocalizations {
     return '第 $current 集 / 共 $total 集';
   }
 
+  @override
+  String get clearScreen => '清屏';
+
   @override
   String minutesAgo(int count) {
     return '$count 分钟前';