Fix constructed directional windows leaking atmos, wrap setting of the anchored var on objects (#38934)

* Wrap setting anchored for structures, fix atmos bug

* forgot this

* Add a signal for setanchored

* move setanchored to obj

* machinery, also some structure stuff

* tabbing

code/game/objects/structures/crates_lockers/closets.dm

@@ -254,7 +254,7 @@
 	else if(istype(W, /obj/item/wrench) && anchorable)
 		if(isinspace() && !anchored)
 			return
-		anchored = !anchored
+		setAnchored(!anchored)
 		W.play_tool_sound(src, 75)
 		user.visible_message("<span class='notice'>[user] [anchored ? "anchored" : "unanchored"] \the [src] [anchored ? "to" : "from"] the ground.</span>", \
 						"<span class='notice'>You [anchored ? "anchored" : "unanchored"] \the [src] [anchored ? "to" : "from"] the ground.</span>", \