Only update the gamesetup settings panel position when it actually changes.
Differential Revision: https://code.wildfiregames.com/D1693
Patch By: nani
Comments By: Angen, smiley
The panels are misaligned. Reproduce: Open the gamesetup.
I didn't test, but I guess it works as expected now. (I didn't figure out whether the bugfix is the cleanest way, I suppose I can still do another concern if it was that bad.)