Makes Xenobio Related Things GC Better (#12558)

code/modules/food_and_drinks/kitchen_machinery/monkeyrecycler.dm

@@ -29,8 +29,10 @@ GLOBAL_LIST_EMPTY(monkey_recyclers)
 
 /obj/machinery/monkey_recycler/Destroy()
 	GLOB.monkey_recyclers -= src
-	for(var/obj/machinery/computer/camera_advanced/xenobio/console in connected)
+	for(var/thing in connected)
+		var/obj/machinery/computer/camera_advanced/xenobio/console = thing
 		console.connected_recycler = null
+	connected.Cut()
 	return ..()
 
 /obj/machinery/monkey_recycler/RefreshParts()

code/modules/mob/living/simple_animal/slime/slime.dm

@@ -97,9 +97,10 @@
 	for(var/A in actions)
 		var/datum/action/AC = A
 		AC.Remove(src)
-	for(var/obj/machinery/computer/camera_advanced/xenobio/X in GLOB.machines)
-		if(src in X.stored_slimes)
-			X.stored_slimes -= src
+	Target = null
+	Leader = null
+	Friends.Cut()
+	speech_buffer.Cut()
 	return ..()
 
 /mob/living/simple_animal/slime/proc/set_colour(new_colour)

code/modules/research/xenobiology/xenobio_camera.dm

@@ -48,9 +48,20 @@
 
 /obj/machinery/computer/camera_advanced/xenobio/Destroy()
 	QDEL_NULL(current_potion)
-	for(var/mob/living/simple_animal/slime/S in stored_slimes)
+	for(var/thing in stored_slimes)
+		var/mob/living/simple_animal/slime/S = thing
 		S.forceMove(drop_location())
 	stored_slimes.Cut()
+	if(connected_recycler)
+		connected_recycler.connected -= src
+	connected_recycler = null
+	return ..()
+
+/obj/machinery/computer/camera_advanced/xenobio/handle_atom_del(atom/A)
+	if(A == current_potion)
+		current_potion = null
+	if(A in stored_slimes)
+		stored_slimes -= A
 	return ..()
 
 /obj/machinery/computer/camera_advanced/xenobio/CreateEye()