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/TaskFactory.php

@@ -19,7 +19,7 @@ class TaskFactory extends Factory
 
         return [
             'tenant_id' => Tenant::factory(),
-            'slug' => Str::slug($title . '-' . $this->faker->unique()->numberBetween(1, 9999)),
+            'slug' => Str::slug($title.'-'.$this->faker->unique()->numberBetween(1, 9999)),
             'title' => [
                 'de' => $title,
                 'en' => $title,