feat(localization): update project view header translations and enhance UI functionality

- Added new translations for "Import task", "Refresh project", "Save as template", and "Invite" in Albanian, German, English, Spanish, and Portuguese.
- Refactored `ProjectViewHeader` component to optimize rendering with memoization and improved state management.
- Enhanced task creation and subscription handling with better performance and error management.
- Improved dropdown and button actions for a more intuitive user experience.

worklenz-frontend/public/locales/alb/project-view/project-view-header.json

@@ -1,5 +1,6 @@
 {
   "importTasks": "Importo detyra",
+  "importTask": "Importo detyrë",
   "createTask": "Krijo detyrë",
   "settings": "Cilësimet",
   "subscribe": "Abonohu",
@@ -9,5 +10,8 @@
   "endDate": "Data e përfundimit",
   "projectSettings": "Cilësimet e projektit",
   "projectSummary": "Përmbledhja e projektit",
-  "receiveProjectSummary": "Merrni një përmbledhje të projektit çdo mbrëmje."
+  "receiveProjectSummary": "Merrni një përmbledhje të projektit çdo mbrëmje.",
+  "refreshProject": "Rifresko projektin",
+  "saveAsTemplate": "Ruaje si shabllon",
+  "invite": "Fto"
 }