GC Fixes (#13387)

* GC Fixes

* tweak

* fixes-gc-testing

code/game/objects/items/devices/enginepicker.dm

@@ -14,8 +14,12 @@
 	var/list/list_enginebeacons = list()
 	var/isactive = FALSE
 
+/obj/item/enginepicker/Destroy()
+	list_enginebeacons.Cut()
+	return ..()
+
 /obj/item/enginepicker/attack_self(mob/living/carbon/user)
-	if(usr.stat || !usr.canmove || usr.restrained())
+	if(user.incapacitated())
 		return
 
 	if(!isactive)

code/game/objects/items/devices/radio/beacon.dm

@@ -69,8 +69,8 @@
 		to_chat(user, "<span class='notice'>Locked In</span>")
 		new /obj/machinery/power/singularity_beacon/syndicate( user.loc )
 		playsound(src, 'sound/effects/pop.ogg', 100, 1, 1)
+		user.drop_item()
 		qdel(src)
-	return
 
 /obj/item/radio/beacon/syndicate/bomb
 	name = "suspicious beacon"
@@ -82,16 +82,21 @@
 		to_chat(user, "<span class='notice'>Locked In</span>")
 		new /obj/machinery/syndicatebomb( user.loc )
 		playsound(src, 'sound/effects/pop.ogg', 100, 1, 1)
+		user.drop_item()
 		qdel(src)
-	return
 
 /obj/item/radio/beacon/engine
 	desc = "A label on it reads: <i>Warning: This device is used for transportation of high-density objects used for high-yield power generation. Stay away!</i>."
 	anchored = 1		//Let's not move these around. Some folk might get the idea to use these for assassinations
 	var/list/enginetype = list()
 
-/obj/item/radio/beacon/engine/Initialize()
+/obj/item/radio/beacon/engine/Initialize(mapload)
 	LAZYADD(GLOB.engine_beacon_list, src)
+	return ..()
+
+/obj/item/radio/beacon/engine/Destroy()
+	GLOB.engine_beacon_list -= src
+	return ..()
 
 /obj/item/radio/beacon/engine/tesling
 	name = "Engine Beacon for Tesla and Singularity"