Canreach refactor (#93165)

## About The Pull Request
ports https://github.com/DaedalusDock/daedalusdock/pull/1144
ports https://github.com/DaedalusDock/daedalusdock/pull/1147

full credit to @Kapu1178 for the juice

instead of `reacher.CanReach(target)` we now do
`target.CanBeReachedBy(reacher)`, this allows us to give special
behavior to atoms which we want to reach, which is exactly what I need
for a feature I'm working on.
## Why It's Good For The Game
allows us to be more flexible with reachability
## Changelog
🆑
refactor: refactored how reaching items works, report any oddities with
being unable to reach something you should be able to!
/🆑

code/modules/mapfluff/ruins/spaceruin_code/hilbertshotel.dm

@@ -527,7 +527,7 @@ GLOBAL_VAR_INIT(hhMysteryRoomNumber, rand(1, 999999))
 /obj/item/analyzer/hilbertsanalyzer/interact_with_atom(atom/interacting_with, mob/living/user, list/modifiers)
 	if(!istype(interacting_with, /obj/item/hilbertshotel))
 		return ..()
-	if(!user.CanReach(interacting_with))
+	if(!interacting_with.IsReachableBy(user))
 		to_chat(user, span_warning("It's to far away to scan!"))
 		return ITEM_INTERACT_BLOCKING
 	var/obj/item/hilbertshotel/sphere = interacting_with