https://learn.microsoft.com/it-it/dotnet/api/microsoft.aspnetcore.mvc.modelbinding.binders.formfilemodelbinder?view=aspnetcore-8.0
FormFileModelBinder Classe (Microsoft.AspNetCore.Mvc.ModelBinding.Binders) | Microsoft Learn
IModelBinder implementazione per associare i file pubblicati a IFormFile.
classemicrosoftaspnetcoremvcbinders