Add delete status confirmation modal with localization support

- Implemented a confirmation modal for deleting statuses in the Kanban board.
- Integrated localized messages for delete status prompts in multiple languages, enhancing user experience.
- Removed the previous portal-based confirmation approach in favor of Ant Design's Modal component for better consistency and usability.

worklenz-frontend/public/locales/en/kanban-board.json

@@ -15,6 +15,9 @@
   "deleteTaskConfirm": "Delete",
   "deleteTaskCancel": "Cancel",
 
+  "deleteStatusTitle": "Delete Status",
+  "deleteStatusContent": "Are you sure you want to delete this status? This action cannot be undone.",
+
   "dueDate": "Due date",
   "cancel": "Cancel",