QDS crashes when user deletes the image from the folder

See the video below. BUG 1 and BUG 2 both appear in the video:

qtdesignstudio_IPR6sFuZDI.mp4

1. Add Test.svg.png image to Assets -view (image attached to this ticket)
2. Add a custom user folder
3. Drag-and-drop the image from Assets -view to custom user folder
BUG 1: The image has download sign, which does not do anything and user cannot right-click the image anymore
4. Delete the custom folder from QDS
5. Go to the folder location in your OS and delete the image
6. Try to add new custom folder
BUG 2: QDS crashes.

In my computer, visual studio gave this kind of error message for the crash: