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/reflector.dm

@@ -117,7 +117,7 @@
 								"<span class='notice'>You start to weld [src] to the floor...</span>",
 								"<span class='italics'>You hear welding.</span>")
 			if (W.use_tool(src, user, 20, volume=50))
-				anchored = TRUE
+				setAnchored(TRUE)
 				to_chat(user, "<span class='notice'>You weld [src] to the floor.</span>")
 		else
 			if(!W.tool_start_check(user, amount=0))
@@ -127,7 +127,7 @@
 								"<span class='notice'>You start to cut [src] free from the floor...</span>",
 								"<span class='italics'>You hear welding.</span>")
 			if (W.use_tool(src, user, 20, volume=50))
-				anchored = FALSE
+				setAnchored(FALSE)
 				to_chat(user, "<span class='notice'>You cut [src] free from the floor.</span>")
 
 	//Finishing the frame