Loader icon when uploading main image (suggestion)

Hi, I noticed today that there is not visual signal that the main image is uploading.
The image i uploaded was a bit big and the internet was having a slow day and i was not sure the upload was working until it finished.
As i hope to get a lot of my places uploaded and edited by 1 off users I thought it would be good to have a loader wheel or similar on that image as well.
Thanks for the great component, it looks great and works so well.