Laggy DragNDrop fix (#21052)

* added dragndrop click methods for atoms

* some updating, little changing MouseDrop logic

* added INVOKE_ASYNC to delayed procs

* cleanup

* cleanup

* cleanup

* no cheesing

* more comments, removed  variable from atom

* whoopsie

* added inventory screen objects support, disabling tooltips now disables all tooltips, not only items

* fixing table hitting self issue

code/game/objects/structures.dm

@@ -46,9 +46,10 @@
 
 /obj/structure/MouseDrop_T(atom/movable/C, mob/user as mob)
 	if(..())
-		return
+		return TRUE
 	if(C == user)
-		do_climb(user)
+		INVOKE_ASYNC(src, TYPE_PROC_REF(/obj/structure, do_climb), user)
+		return TRUE
 
 /obj/structure/proc/density_check()
 	for(var/obj/O in orange(0, src))