🐞 fix: 添加不存在的翻译键

dashboard/src/i18n/locales/en-US/core/common.json

@@ -2,6 +2,7 @@
   "save": "Save",
   "cancel": "Cancel",
   "close": "Close",
+  "copy": "Copy",
   "delete": "Delete",
   "edit": "Edit",
   "add": "Add",

dashboard/src/i18n/locales/zh-CN/core/common.json

@@ -2,6 +2,7 @@
   "save": "保存",
   "cancel": "取消",
   "close": "关闭",
+  "copy": "复制",
   "delete": "删除",
   "edit": "编辑",
   "add": "添加",