public IActionResult CreateDealer(DealerFormViewModel formDealer, int id)
{
Dealer dealer = new Dealer();
formDealer.IdCompany = id;
var company = _companyService.FindCompanyById(id);
dealer.Name = formDealer.Name;
dealer.Company = company;
_dealerService.AddDealer(dealer);
return(RedirectToAction(nameof(Index)));
}