fix(gamemode): add occupation checks for antag spawning
fix(gamemode): add occupation checks for antag spawning

fomalsd/unitystation,fomalsd/unitystation,fomalsd/unitystation,fomalsd/unitystation,fomalsd/unitystation,krille90/unitystation,fomalsd/unitystation,fomalsd/unitystation,krille90/unitystation,krille90/unitystation