Added vsync enforcement when not headless server to improve performance.
Added vsync enforcement when not headless server to improve performance.

krille90/unitystation,Necromunger/unitystation,MrLeebo/unitystation,fomalsd/unitystation,fomalsd/unitystation,Necromunger/unitystation,fomalsd/unitystation,Necromunger/unitystation,Lancemaker/unitystation,MrLeebo/unitystation,fomalsd/unitystation,MrLeebo/unitystation,Necromunger/unitystation,krille90/unitystation,krille90/unitystation,MrLeebo/unitystation,Necromunger/unitystation,Necromunger/unitystation,Lancemaker/unitystation,MrLeebo/unitystation,fomalsd/unitystation,MrLeebo/unitystation,fomalsd/unitystation,fomalsd/unitystation