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/Models/LegalPage.php

@@ -7,7 +7,9 @@ use Illuminate\Database\Eloquent\Model;
 class LegalPage extends Model
 {
     protected $table = 'legal_pages';
+
     protected $guarded = [];
+
     protected $casts = [
         'title' => 'array',
         'body_markdown' => 'array',
@@ -15,4 +17,3 @@ class LegalPage extends Model
         'effective_from' => 'datetime',
     ];
 }
-