Fix Event & EventType resource issues and apply formatting

- Fix EventType deletion error handling (constraint violations)
- Fix Event update error (package_id column missing)
- Fix Event Type dropdown options (JSON display issue)
- Fix EventPackagesRelationManager query error
- Add missing translations for deletion errors
- Apply Pint formatting

tests/Feature/Marketing/MarketingLocaleRoutingTest.php

@@ -2,13 +2,14 @@
 
 namespace Tests\Feature\Marketing;
 
+use Illuminate\Foundation\Testing\RefreshDatabase;
 use Inertia\Testing\AssertableInertia as Assert;
 use Tests\TestCase;
-use Illuminate\Foundation\Testing\RefreshDatabase;
 
 class MarketingLocaleRoutingTest extends TestCase
 {
     use RefreshDatabase;
+
     public function test_home_route_accepts_german_locale_prefix(): void
     {
         $response = $this->get('/de');