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/dresser.dm

@@ -11,7 +11,7 @@
 		to_chat(user, "<span class='notice'>You begin to [anchored ? "unwrench" : "wrench"] [src].</span>")
 		if(I.use_tool(src, user, 20, volume=50))
 			to_chat(user, "<span class='notice'>You successfully [anchored ? "unwrench" : "wrench"] [src].</span>")
-			anchored = !anchored
+			setAnchored(!anchored)
 	else
 		return ..()