feat(task-management): enhance bulk action bar with new features and translations

- Added new bulk action options for changing status, priority, and phase, as well as adding labels and assigning tasks.
- Integrated translations for English, German, Spanish, and Portuguese in the task table bulk actions.
- Updated the `OptimizedBulkActionBar` to utilize Redux state for status, priority, and phase selections.
- Improved user experience with dynamic dropdown menus for bulk actions and confirmation prompts.
- Refactored task selection handling to ensure proper state management during bulk actions.

worklenz-frontend/public/locales/en/tasks/task-table-bulk-actions.json

@@ -20,5 +20,20 @@
     "hitEnterToCreate": "Press Enter to create",
     "pendingInvitation": "Pending Invitation",
     "noMatchingLabels": "No matching labels",
-    "noLabels": "No labels"
+    "noLabels": "No labels",
+    "CHANGE_STATUS": "Change Status",
+    "CHANGE_PRIORITY": "Change Priority", 
+    "CHANGE_PHASE": "Change Phase",
+    "ADD_LABELS": "Add Labels",
+    "ASSIGN_TO_ME": "Assign to Me",
+    "ASSIGN_MEMBERS": "Assign Members",
+    "ARCHIVE": "Archive",
+    "DELETE": "Delete",
+    "CANCEL": "Cancel",
+    "CLEAR_SELECTION": "Clear Selection",
+    "TASKS_SELECTED": "{{count}} task selected",
+    "TASKS_SELECTED_plural": "{{count}} tasks selected",
+    "DELETE_TASKS_CONFIRM": "Delete {{count}} task?",
+    "DELETE_TASKS_CONFIRM_plural": "Delete {{count}} tasks?",
+    "DELETE_TASKS_WARNING": "This action cannot be undone."
 }