public async Task <ActionResult <List <ProductsDto> > > FetchProductByCategories([FromQuery] SearchByCategoryQueries command, CancellationToken cancellationToken)
 {
     return(Ok(await Mediator.Send(command, cancellationToken)));
 }
 public async Task <ActionResult <DiscountDto> > SearchDiscount([FromQuery] SearchByCategoryQueries command, CancellationToken cancellationToken)
 {
     return(Ok(await Mediator.Send(command, cancellationToken)));
 }