feat(localization): add timer conflict handling and update translations

- Introduced a new hook `useTaskTimerWithConflictCheck` to manage timer conflicts, prompting users when a timer is already running for a different task.
- Updated localization files for Albanian, German, English, Spanish, Portuguese, and Chinese to include new translation keys related to timer conflict handling and cancellation.
- Refactored components to utilize the new timer hook, enhancing user experience by preventing overlapping timers.

worklenz-frontend/public/locales/zh/common.json

@@ -5,5 +5,6 @@
   "signup-failed": "注册失败。请确保填写所有必填字段并重试。",
   "reconnecting": "与服务器断开连接。",
   "connection-lost": "无法连接到服务器。请检查您的互联网连接。",
-  "connection-restored": "成功连接到服务器"
+  "connection-restored": "成功连接到服务器",
+  "cancel": "取消"
 }