Merge pull request #3913 from Citadel-Station-13/upstream-merge-32553

[MIRROR] Xrays go through walls but stop on mobs/blob

code/game/turfs/closed.dm

@@ -15,6 +15,12 @@
 /turf/closed/get_smooth_underlay_icon(mutable_appearance/underlay_appearance, turf/asking_turf, adjacency_dir)
 	return FALSE
 
+/turf/closed/CanPass(atom/movable/mover, turf/target)
+	if(istype(mover) && mover.checkpass(PASSCLOSEDTURF))
+		return TRUE
+	else
+		..()
+
 /turf/closed/indestructible
 	name = "wall"
 	icon = 'icons/turf/walls.dmi'