public void UploadPicture(MemoryStream chosenPhoto)
{
if (_customer == null) return;
IsLoading = true;
var data = chosenPhoto.ToArray();
var service = new CustomerService(new ApiConfiguration(), null, _keyService);
service.SavePhotoAsync(_companyFile, _customer.UID, data, Credentials)
.ContinueWith(t =>
{
IsLoading = false;
}, TaskScheduler.FromCurrentSynchronizationContext());
}
