Converts more dir assignments to setDir (#40023)

code/game/objects/structures/guillotine.dm

@@ -246,7 +246,7 @@
 	if (do_after(user, GUILLOTINE_WRENCH_DELAY, target = src))
 		current_action = 0
 		default_unfasten_wrench(user, I, 0)
-		dir = SOUTH
+		setDir(SOUTH)
 		return TRUE
 	else
 		current_action = 0

code/game/objects/structures/morgue.dm

@@ -123,7 +123,7 @@ GLOBAL_LIST_EMPTY(bodycontainers) //Let them act as spawnpoints for revenants an
 	playsound(src.loc, 'sound/items/deconstruct.ogg', 50, 1)
 	playsound(src, 'sound/effects/roll.ogg', 5, 1)
 	var/turf/T = get_step(src, dir)
-	connected.dir=dir
+	connected.setDir(dir)
 	for(var/atom/movable/AM in src)
 		AM.forceMove(T)
 	update_icon()

code/game/objects/structures/windoor_assembly.dm

@@ -32,7 +32,7 @@
 /obj/structure/windoor_assembly/New(loc, set_dir)
 	..()
 	if(set_dir)
-		dir = set_dir
+		setDir(set_dir)
 	ini_dir = dir
 	air_update_turf(1)