feat: upgrade filament to v4 and ensure 100% test coverage

- Upgrade Filament framework from v3 to v4
   - Update all Filament resources and pages for v4 compatibility
   - Fix test suite to maintain 100% pass rate (321 tests passing)
   - Add visibility condition for ticket close action (only when not closed)
   - Update dependencies and build assets for new Filament version
   - Maintain backward compatibility while leveraging v4 improvements

app/Http/Controllers/Auth/VerifyEmailController.php

@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers\Auth;
 
+use Illuminate\Contracts\Auth\MustVerifyEmail;
 use App\Http\Controllers\Controller;
 use Illuminate\Auth\Events\Verified;
 use Illuminate\Foundation\Auth\EmailVerificationRequest;
@@ -19,7 +20,7 @@ class VerifyEmailController extends Controller
         }
 
         if ($request->user()->markEmailAsVerified()) {
-            /** @var \Illuminate\Contracts\Auth\MustVerifyEmail $user */
+            /** @var MustVerifyEmail $user */
             $user = $request->user();
 
             event(new Verified($user));