feat: 调整播放历史为单列列表

lib/l10n/app_localizations_zh.dart

@@ -284,7 +284,7 @@ class AppLocalizationsZh extends AppLocalizations {
 
   @override
   String watchedPercent(int percent) {
-    return '已观看 $percent%';
+    return '已看 $percent%';
   }
 
   @override

lib/l10n/app_zh.arb

@@ -121,7 +121,7 @@
       "count": {"type": "int"}
     }
   },
-  "watchedPercent": "已观看 {percent}%",
+  "watchedPercent": "已看 {percent}%",
   "@watchedPercent": {
     "placeholders": {
       "percent": {