[Image Rendering] Maximizing size of opened VA Window for image

[marianopeck]

When I open the image on VA, the default opened size/extent of the windows is not the full size of the pic and so I must extend it by hand. See both, vertical and horizontal scrolls on below example:

I want that by default, the windows fix the picture (if possible). Below is how I would like that example (expanded by hand by me):