chore: fix simplified chinese

lib/collections/language_codes.dart

@@ -9,7 +9,7 @@ class ISOLanguageName {
 }
 
 // Uncomment the languages as we add support for them
-// Currently supported: bn,en,fr,hi,zh-cn
+// Currently supported: bn,en,fr,hi,zh
 abstract class LanguageLocals {
   static final Map isoLangs = {
     // "ab": const ISOLanguageName(
@@ -128,7 +128,7 @@ abstract class LanguageLocals {
     //   name: "Chichewa",
     //   nativeName: "chiCheŵa",
     // ),
-    "zh-cn": const ISOLanguageName(
+    "zh": const ISOLanguageName(
       name: "Simplified Chinese",
       nativeName: "简体中文",
     ),

lib/l10n/app_zh.arb

@@ -79,7 +79,7 @@
   "removed_track_from_queue": "将 {track} 从播放队列中移除",
   "remove_from_queue": "从播放队列移除",
   "remove_from_favorites": "取消点赞",
-  "save_as_favorite": 点赞",
+  "save_as_favorite": "点赞",
   "add_to_playlist": "添加到歌单",
   "remove_from_playlist": "从歌单中移除",
   "add_to_blacklist": "添加到屏蔽列表",
@@ -249,5 +249,5 @@
   "developers": "开发者",
   "not_logged_in": "你尚未登录",
   "search_mode": "搜索模式",
-  "youtube_api_type": "YouTube API 类型"
+  "youtube_api_type": "API 类型"
 }

lib/l10n/l10n.dart

@@ -3,6 +3,7 @@
 /// Kingkor Roy Tirtho => English, Bengali
 /// ChatGPT (GPT 3.5) XD => Hindi, French
 /// maboroshin@github => Japanese
+/// iceyear@github => Simplified Chinese
 import 'package:flutter/material.dart';
 
 class L10n {
@@ -13,6 +14,6 @@ class L10n {
     const Locale('hi', 'IN'),
     const Locale('de', 'GE'),
     const Locale('ja', 'JP'),
-    const Locale('zh-cn', 'CN'),
+    const Locale('zh', 'CN'),
   ];
 }