Stop bots standing around blocking doors (#7509)

* Idle bots will move out of doorways

Idle bots will move out of doorways, including turfs with firedoors or blastdoors.

* +changelog

* fix parentheses

code/modules/mob/living/bot/bot.dm

@@ -197,6 +197,12 @@
 			else
 				startPatrol()
 		else
+			if((locate(/obj/machinery/door) in loc) && !pulledby) //Don't hang around blocking doors, but don't run off if someone tries to pull us through one.
+				var/turf/my_turf = get_turf(src)
+				var/list/can_go = my_turf.CardinalTurfsWithAccess(botcard)
+				if(LAZYLEN(can_go))
+					if(step_towards(src, pick(can_go)))
+						return
 			handleIdle()
 
 /mob/living/bot/proc/handleRegular()