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/EventType.php

@@ -12,7 +12,9 @@ class EventType extends Model
     use HasFactory;
 
     protected $table = 'event_types';
+
     protected $guarded = [];
+
     protected $casts = [
         'name' => 'array',
         'settings' => 'array',
@@ -28,4 +30,3 @@ class EventType extends Model
         return $this->hasMany(Event::class);
     }
 }
-