Camera position is not sphere center after switching to windowed mode

[14mRh4X0r]

Instead, it's above all spheres, slightly upwards from the main menu position. I've added a screen recording showing the problem.

[Riot]

force view position back to in-game position when switching fullscreen mode, resolves #168

→ <<cset 989752be218d>>

[Riot]

Removing milestone: Beta (automated comment)