[Feature Request] Make the Rom Images Scalable and fill the screen in grid mode when you only have a few roms.

[crhy]

Would look much nicer if the games scaled up to fill all the blank space.

[fir3-1ce]

Using QT_SCREEN_SCALE_FACTORS=2 seems to help the problem a bit, but I agree that the thumbnails should be scalable like they are in Duckstation.