fix: improve error handling in admin pages to show user-friendly error messages

- Add error display to help questions new/edit pages
- Improve error visibility in admin-badges, admin-applications, admin-logs, admin-users pages
- Update createHelpQuestion action to properly handle and display unique name collisions and database errors
- Add user-friendly error messages to admin error handling
- Enhances admin page error reporting for better user experience

prod.log

@@ -0,0 +1,8 @@
+
+> start
+> next start
+
+▲ Next.js 16.2.9
+- Local:         http://localhost:3000
+- Network:       http://5.252.100.130:3000
+✓ Ready in 93ms