Normalize translation key for preferences categories

categories normalized:
 - Miscellanous
 - Player
 - Visual
 - Administrator
 - Data
 - Subscription

locales/zh-CN.json

@@ -60,7 +60,7 @@
     "E-mail": "E-mail",
     "Google verification code": "Google 验证代码",
     "Preferences": "偏好设置",
-    "Player preferences": "播放器偏好设置",
+    "preferences_category_player": "播放器偏好设置",
     "preferences_video_loop_label": "始终循环： ",
     "preferences_autoplay_label": "自动播放: ",
     "preferences_continue_label": "默认自动播放下一个视频: ",
@@ -79,16 +79,16 @@
     "preferences_annotations_label": "是否默认显示视频注释: ",
     "preferences_extend_desc_label": "自动展开视频描述： ",
     "preferences_vr_mode_label": "互动式 360 度视频： ",
-    "Visual preferences": "视觉选项",
+    "preferences_category_visual": "视觉选项",
     "preferences_player_style_label": "播放器样式: ",
     "Dark mode: ": "深色模式: ",
     "preferences_dark_mode_label": "主题: ",
     "dark": "暗色",
     "light": "亮色",
     "preferences_thin_mode_label": "窄页模式: ",
-    "Miscellaneous preferences": "其他选项",
+    "preferences_category_misc": "其他选项",
     "preferences_automatic_instance_redirect_label": "自动实例重定向 (回退到redirect.invidious.io): ",
-    "Subscription preferences": "订阅设置",
+    "preferences_category_subscription": "订阅设置",
     "preferences_annotations_subscribed_label": "默认情况下显示已订阅频道的注释: ",
     "Redirect homepage to feed: ": "跳转主页到 feed: ",
     "preferences_max_results_label": "Feed 中显示的视频数量: ",
@@ -106,7 +106,7 @@
     "Enable web notifications": "启用浏览器通知",
     "`x` uploaded a video": "`x` 上传了视频",
     "`x` is live": "`x` 正在直播",
-    "Data preferences": "数据选项",
+    "preferences_category_data": "数据选项",
     "Clear watch history": "清除观看历史",
     "Import/export data": "导入/导出数据",
     "Change password": "更改密码",
@@ -114,7 +114,7 @@
     "Manage tokens": "管理令牌",
     "Watch history": "观看历史",
     "Delete account": "删除账户",
-    "Administrator preferences": "管理员选项",
+    "preferences_category_admin": "管理员选项",
     "preferences_default_home_label": "默认主页: ",
     "preferences_feed_menu_label": "Feed 菜单: ",
     "preferences_show_nick_label": "在顶部显示昵称： ",