Fixed thrownby hard del (#17686)

code/game/objects/items.dm

@@ -82,7 +82,8 @@ GLOBAL_DATUM_INIT(fire_overlay, /image, image("icon" = 'icons/goonstation/effect
 	// non-clothing items
 	var/datum/dog_fashion/dog_fashion = null
 
-	var/mob/thrownby = null
+	/// UID of a /mob
+	var/thrownby
 
 	//So items can have custom embedd values
 	//Because customisation is king
@@ -651,7 +652,7 @@ GLOBAL_DATUM_INIT(fire_overlay, /image, image("icon" = 'icons/goonstation/effect
 		return hit_atom.hitby(src, 0, itempush, throwingdatum = throwingdatum)
 
 /obj/item/throw_at(atom/target, range, speed, mob/thrower, spin=1, diagonals_first = 0, datum/callback/callback, force)
-	thrownby = thrower
+	thrownby = thrower.UID()
 	callback = CALLBACK(src, .proc/after_throw, callback) //replace their callback with our own
 	. = ..(target, range, speed, thrower, spin, diagonals_first, callback, force)
 

code/game/objects/items/weapons/dice.dm

@@ -315,7 +315,7 @@
 	diceroll(user)
 
 /obj/item/dice/throw_impact(atom/target)
-	diceroll(thrownby)
+	diceroll(locateUID(thrownby))
 	. = ..()
 
 /obj/item/dice/proc/diceroll(mob/user)

code/game/objects/items/weapons/weaponry.dm

@@ -206,7 +206,7 @@
 				visible_message("<span class='boldwarning'>[owner] Deflects [I] directly back at the thrower! It's a home run!</span>", "<span class='boldwarning'>You deflect [I] directly back at the thrower! It's a home run!</span>")
 				playsound(get_turf(owner), 'sound/weapons/homerun.ogg', 100, 1)
 				do_attack_animation(I, ATTACK_EFFECT_DISARM)
-				I.throw_at(I.thrownby, 20, 20, owner)
+				I.throw_at(locateUID(I.thrownby), 20, 20, owner)
 				deflectmode = FALSE
 				if(!istype(I, /obj/item/beach_ball))
 					lastdeflect = world.time + 3000