Moves airlocks to the addtimer system

code/controllers/Processes/timer.dm

@@ -62,6 +62,8 @@ var/global/datum/controller/process/timer/timer_master
 	event.thingToCall = thingToCall
 	event.procToCall = procToCall
 	event.timeToRun = world.time + wait
+	// Make the tag portion of the hash be independent
+	args[1] = "\ref[thingToCall]"
 	event.hash = jointext(args, null)
 	if(args.len > 4)
 		event.argList = args.Copy(5)