Added checkbox for keeping the aspect ratio when resizing an uploaded image
Whenever the image popup handles changes, it checks if the checkbox for keeping the aspect ratio has been checked.
If it has been checked, it checks if there has been a change en the width or height, and then calculates what the other attribute should be to keep the aspect ratio,
Also changed the width of the upload-popup so that it doesn't wrap the canvas because of the width of the label.
Added checkbox for keeping the aspect ratio when resizing an uploaded image
Whenever the image popup handles changes, it checks if the checkbox for keeping the aspect ratio has been checked. If it has been checked, it checks if there has been a change en the width or height, and then calculates what the other attribute should be to keep the aspect ratio,
Also changed the width of the upload-popup so that it doesn't wrap the canvas because of the width of the label.