We don't need to reconstruct new textures every time we ScaleUp/ScaleDown. We can scale up once, and revert to the original texture whenever scaling down.
Fixes memory leaks due to glDeleteTextures being deferred for later handling on some drivers

Fixes scaling in Super Mario Party

Thanks for everything!

Shows the resolution scale as "Scale: {}x" in the status bar, where {} is a floating point value representing the current resolution scaling factor.