async void OnChooseImageButtonClicked(object sender, EventArgs e)
{
(sender as Button).IsEnabled = false;
try
{
image.Source = await viewModel.ChooseImageAsync();
image.Rotation = 0;
}
catch (Exception except)
{
await DisplayAlert($"Error", $"{except.Message}", "Cancel");
}
(sender as Button).IsEnabled = true;
}
