refactor(localization): update task-related translations and improve user activity feed

- Added new translation keys for recent tasks and time logged tasks in Albanian, German, English, Spanish, Portuguese, and Chinese localization files.
- Enhanced user activity feed to switch between recent tasks and time logged tasks, improving user experience.
- Updated the date formatting utility to support locale-specific formatting for better internationalization.
- Refactored task activity list and time logged task list components to utilize a table layout for improved readability.

worklenz-frontend/src/features/home-page/user-activity.slice.ts

@@ -16,7 +16,7 @@ interface UserActivityState {
 }
 
 const initialState: UserActivityState = {
-    activeTab: ActivityFeedType.RECENT_TASKS,
+    activeTab: ActivityFeedType.TIME_LOGGED_TASKS,
     activities: [],
     loading: false,
     error: null,