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

database/factories/TaskCollectionFactory.php

@@ -3,7 +3,6 @@
 namespace Database\Factories;
 
 use App\Models\EventType;
-use App\Models\Task;
 use App\Models\TaskCollection;
 use App\Models\Tenant;
 use Illuminate\Database\Eloquent\Factories\Factory;
@@ -21,7 +20,7 @@ class TaskCollectionFactory extends Factory
         return [
             'tenant_id' => Tenant::factory(),
             'event_type_id' => EventType::factory(),
-            'slug' => Str::slug($label . '-' . $this->faker->unique()->numberBetween(1, 9999)),
+            'slug' => Str::slug($label.'-'.$this->faker->unique()->numberBetween(1, 9999)),
             'name_translations' => [
                 'de' => $label,
                 'en' => $label,