private void AddOverlay()
        {
            var overlay = _imageLoadService.TryLoadImage();

            if (overlay == null)
            {
                return;
            }

            Stack.Value.Do(Template);

            Template.Overlay  = overlay;
            _canRemoveOverlay = true;

            UpdateCommands();
        }
        private void SelectBackgroundImage()
        {
            ImageViewModel viewModel = _imageLoadService.TryLoadImage();

            BackgroundImage = viewModel;
        }