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/window.dm

@@ -207,15 +207,12 @@
 				else if(state == WINDOW_OUT_OF_FRAME)
 					to_chat(user, "<span class='notice'>You begin to [anchored ? "unscrew the frame from":"screw the frame to"] the floor...</span>")
 					if(I.use_tool(src, user, decon_speed, extra_checks = CALLBACK(src, .proc/check_state_and_anchored, state, anchored)))
-						anchored = !anchored
-						update_nearby_icons()
+						setAnchored(!anchored)
 						to_chat(user, "<span class='notice'>You [anchored ? "fasten the frame to":"unfasten the frame from"] the floor.</span>")
 			else //if we're not reinforced, we don't need to check or update state
 				to_chat(user, "<span class='notice'>You begin to [anchored ? "unscrew the window from":"screw the window to"] the floor...</span>")
 				if(I.use_tool(src, user, decon_speed, extra_checks = CALLBACK(src, .proc/check_anchored, anchored)))
-					anchored = !anchored
-					air_update_turf(TRUE)
-					update_nearby_icons()
+					setAnchored(!anchored)
 					to_chat(user, "<span class='notice'>You [anchored ? "fasten the window to":"unfasten the window from"] the floor.</span>")
 			return
 
@@ -240,6 +237,11 @@
 			return
 	return ..()
 
+/obj/structure/window/setAnchored(anchorvalue)
+	..()
+	air_update_turf(TRUE)
+	update_nearby_icons()
+
 /obj/structure/window/proc/check_state(checked_state)
 	if(state == checked_state)
 		return TRUE