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

app/Http/Requests/Tenant/PhotoStoreRequest.php

@@ -3,7 +3,6 @@
 namespace App\Http\Requests\Tenant;
 
 use Illuminate\Foundation\Http\FormRequest;
-use Illuminate\Validation\Rule;
 
 class PhotoStoreRequest extends FormRequest
 {
@@ -59,4 +58,4 @@ class PhotoStoreRequest extends FormRequest
             'tags' => $this->tags ? explode(',', $this->tags) : [],
         ]);
     }
-}
+}