Improve save public list (#554)

* improve save public list

* remove obsolete code fragment

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Co-authored-by: Flomp <Flomp@users.noreply.github.com>

web/src/lib/i18n/locales/zh.json

@@ -215,6 +215,7 @@
   "invalid-username": "无效用户名",
   "italian": "意大利语",
   "joined": "已加入",
+  "keep-private": "Keep private",
   "keep-original": "",
   "language": "语言",
   "latitude": "纬度",