Cropped images displaying at original image size

Problem/Motivation

sometimes cropped images are displayed same size of the original image (using attributes width and height in tag img).
So the cropped image is being stretched to fit the dimension of the original image.
I don't kno why and when the issue happen becase I've experienced the issue in a content with 4 different image field; the first three images cropped worked fine, but not the last.
The only difference I note is the presence of 2 hidden input in the widget with wrong behavior, height and width

Proposed resolution

Une way to solve the issue could be set the inputs with crop dimensions or remove the inputs using the widget process

Remaining tasks

The attched patch adopts the first solution and needs review and test.

Original report by mattsmith3

cropped images displaying at original image size on 7.2.0 version

Bye
Corrado