Abductor scientist self-retrieve failure/runtime fix (#73172)

## About The Pull Request

Since the abductor outfit/implant would load before the abductor ship
(and it's teleport pad) when first generating a team, a runtime would
occur when trying to link the pad to the implant. Another would occur
every time you attempted to retrieve yourself (as the linked pad would
be null), preventing recall and completely neutering an abductor team's
most important maneuver.

Now, using the implant will perform the linking process again if no
linked pad is found, and provides the owner with a warning if (by some
great calamity) they genuinely have no pad to teleport back to. This
solves the issue of the implant sometimes not linking to a pad properly
on initialize, and makes them way less prone to breaking.

Apparently this has been broken for a while, presumably since the
abductor ship was made into a lazyloading template.
## Why It's Good For The Game

The funny silly grey men get to torture the poor hapless crew once
again.
## Changelog
🆑
fix: abductor scientist's retrieval implants will now properly recall
the owner, and inform them upon recall failure.
/🆑

code/game/objects/items/implants/implant_abductor.dm

@@ -13,22 +13,55 @@
 		to_chat(imp_in, span_warning("You must wait [timeleft(on_cooldown)*0.1] seconds to use [src] again!"))
 		return
 
-	home.Retrieve(imp_in,1)
+	if(isnull(home) && !link_pad())
+		imp_in.balloon_alert(imp_in, "no teleport pads detected!")
+		return
+
+	home.Retrieve(imp_in)
 	on_cooldown = addtimer(VARSET_CALLBACK(src, on_cooldown, null), cooldown , TIMER_STOPPABLE)
 
 /obj/item/implant/abductor/implant(mob/living/target, mob/user, silent = FALSE, force = FALSE)
-	if(..())
-		var/obj/machinery/abductor/console/console
-		if(ishuman(target))
-			var/datum/antagonist/abductor/A = target.mind.has_antag_datum(/datum/antagonist/abductor)
-			if(A)
-				console = get_abductor_console(A.team.team_number)
-				home = console.pad
+	if(!..())
+		return FALSE
 
-		if(!home)
-			var/list/consoles = list()
-			for(var/obj/machinery/abductor/console/C in GLOB.machines)
-				consoles += C
-			console = pick(consoles)
-			home = console.pad
+	link_pad()
+	return TRUE
+
+/**
+ * Manages the process of linking a recall implant to an abductor pad
+ *
+ * Attempts to link the abductor implant to an abductor console. First, it tries to do so through the abductor's antag datum
+ * If not, a random teleport pad will be defaulted to. Returns TRUE if a home is found, and FALSE is one somehow is not.
+ */
+
+/obj/item/implant/abductor/proc/link_pad()
+	if(home)
 		return TRUE
+
+	var/obj/machinery/abductor/console/console
+	if(ishuman(imp_in))
+		var/datum/antagonist/abductor/new_abductor = imp_in.mind.has_antag_datum(/datum/antagonist/abductor)
+		if(new_abductor)
+			console = get_abductor_console(new_abductor.team.team_number)
+			if(!console)
+				WARNING("Attempted to link [name] within [imp_in] to a pad using their abductor antagonist datum, however no associated machinery exists for their team.")
+				return FALSE
+			home = console.pad
+
+	if(home)
+		return TRUE
+
+	else //If we still cannot find a home associated with our team, we just pick a random pad and make it our own.
+		var/list/consoles = list()
+		for(var/obj/machinery/abductor/console/found_console in GLOB.machines)
+			consoles += found_console
+		console = pick(consoles)
+		if(console)
+			home = console.pad
+
+	if(home)
+		return TRUE
+
+	stack_trace("[name] within [imp_in] failed to find any abductor machinery to connect to.")
+
+	return FALSE //We somehow couldn't find any pads (maybe they're not loaded in yet)