/// <summary>
/// Implement SaveChangesAsync to set TenantId and auditing properties before save changes.
/// </summary>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public override async Task <int> SaveChangesAsync(CancellationToken cancellationToken = new CancellationToken())
{
ChangeTracker.AutomaticTenantIdAndAuditing(_userSession);
return(await base.SaveChangesAsync(cancellationToken));
}