feat(task-context-menu): add copy link functionality and update translations

- Implemented a new "Copy link to task" feature in the task context menu, allowing users to easily copy task links to the clipboard.
- Added corresponding success and error messages for link copying.
- Updated localization files for Albanian, German, English, Spanish, Portuguese, and Chinese to include new translation keys for the copy link feature.

worklenz-frontend/public/locales/zh/task-list-table.json

@@ -50,6 +50,9 @@
   "pendingInvitation": "待处理邀请",
   "contextMenu": {
     "assignToMe": "分配给我",
+    "copyLink": "复制任务链接",
+    "linkCopied": "链接已复制到剪贴板",
+    "linkCopyFailed": "复制链接失败",
     "moveTo": "移动到",
     "unarchive": "取消归档",
     "archive": "归档",