Enum is cast when creating but not editing

class Config extends Model
{
    protected $casts = [
     'config_type' => ConfigType::class,
    ];
}

public static function form(Form $form): Form
{
    return $form
        ->schema([
            Forms\Components\Select::make('config_type')
                ->required()
                ->default(ConfigType::MAPPER)
                ->live()
                ->enum(ConfigType::class)
                ->options(ConfigType::class),
            Forms\Components\Fieldset::make()
                ->statePath('config')
                ->schema(fn (Forms\Get $get) =>
                    dd($get('config_type')) // The problem is here
        ]);
}