Fix an important translation error in Chinese (#3938)

here `sudo` has been translated to `undo`, `撤销` means `cancel` or `undo` in Chinese and nothing to do with `sudo`...

packages/apps/public/locales/zh/translation.json

@@ -1112,7 +1112,7 @@
   "nav.settings": "设置",
   "nav.staking": "质押",
   "nav.storage": "链状态",
-  "nav.sudo": "撤销",
+  "nav.sudo": "超级管理",
   "nav.tech-comm": "技术委员会",
   "nav.toolbox": "工具箱",
   "nav.transfer": "转账",
@@ -1380,4 +1380,4 @@
   "{{threshold}}, not passing": "{{threshold}},没有通过",
   "{{threshold}}, passing": "{{threshold}}, 通过",
   "{{value}}x voting balance, locked for {{lock}}x enactment ({{period}} days)": "{{value}}x投票余额，锁定 {{lock}}x 执行 ({{period}} days)"
-}
+}