fixes runtime when clicking an airlock with TK (#69056)
fixes runtime when clicking an airlock with TK (#69056)

* fixes runtime when clicking an airlock with TK by checking the accessor is a mob.
tgstation/tgstation,CPTANT/-tg-station,ShizCalev/tgstation,MicroWorldwide/SS13-TG-station,ShizCalev/tgstation,CPTANT/-tg-station,tgstation/tgstation,CPTANT/-tg-station,tgstation/tgstation,Bawhoppen/-tg-station,CPTANT/-tg-station,ShizCalev/tgstation,CPTANT/-tg-station,MicroWorldwide/SS13-TG-station,Bawhoppen/-tg-station,Bawhoppen/-tg-station,ShizCalev/tgstation,tgstation/tgstation,Bawhoppen/-tg-station,MicroWorldwide/SS13-TG-station,ShizCalev/tgstation,Bawhoppen/-tg-station,CPTANT/-tg-station,MicroWorldwide/SS13-TG-station,ShizCalev/tgstation,MicroWorldwide/SS13-TG-station,tgstation/tgstation,ShizCalev/tgstation,tgstation/tgstation,CPTANT/-tg-station,Bawhoppen/-tg-station,ShizCalev/tgstation,MicroWorldwide/SS13-TG-station,CPTANT/-tg-station,tgstation/tgstation,Bawhoppen/-tg-station,Bawhoppen/-tg-station,MicroWorldwide/SS13-TG-station,MicroWorldwide/SS13-TG-station,tgstation/tgstation