Scrolling in any image viewer should treat mouse position as zoom center

When viewing an image (for example, a render in-progress), zooming with the mouse wheel always focuses on the center of the window. I'd recommend to, for usability and in keeping with established image editor standards, the behavior be changed to treat the mouse position as the center. It might be a good idea to include an option to change this behavior back to the previous one, possibly as an accessibility setting.