Repeater with only one record with Toggle active

public function form(Form $form): Form
{
return $form
  ->schema([
    Forms\Components\Group::make()
      ->schema([
        Forms\Components\Section::make($this->makeTitle())
          ->schema([
            Repeater::make('exhibitionWines')
              ->hiddenLabel()
              ->relationship()
              ->schema([
                Forms\Components\Select::make('wine_id')
                  ->relationship('wine', 'name')
                  ->native(false)
                  ->preload()
                  ->columnSpan(3),
                Forms\Components\Toggle::make('in_masterclass')
                  ->reactive()
                  ->live()
                  ->afterStateUpdated(function($state,Set $set,Get $get)
                  {
                    $items=$get('../../exhibitionWines');
                    $current_id=$get('wine_id');
                    if($state==true){
                      foreach ($items as $key => $item) {
                        if ($item['wine_id']!=$current_id){
                          $set("../../exhibitionWines.{$key}.in_masterclass",false);
                        }
                      }
                    }
                  })
                  ->label('MC')
                  ->inline(false),
              ])->columns(4),
            Forms\Components\Placeholder::make('savePersonal')
              ->label('')
              ->content(new HtmlString(
                Blade::render('
                      <x-filament::button type="submit">
                        SAVE
                      </x-filament::button>
                  ')
              ))
              ->extraAttributes(['class' => 'flex justify-center']),
          ])->compact()
      ])->columnSpan(2),
  ])
  ->columns(4)
  ->model($this->entity)
  ->statePath('entityData');
}