Fixes circuit dispensers add_item (#68528)

adding items to a dispenser shell would hit the shell with the item first
little to no feedback from the shell as it just eats your held item
bulk adding items could theoretically exceed the weight limit for items or add in nested bags

code/modules/wiremod/shell/dispenser.dm

@@ -28,7 +28,8 @@
 	return ..()
 
 
-/obj/structure/dispenser_bot/proc/add_item(obj/item/to_add)
+/obj/structure/dispenser_bot/proc/add_item(mob/user, obj/item/to_add)
+	balloon_alert(user, "inserted item")
 	stored_items += to_add
 	to_add.forceMove(src)
 	RegisterSignal(to_add, COMSIG_MOVABLE_MOVED, .proc/handle_stored_item_moved)
@@ -61,33 +62,33 @@
 	), SHELL_CAPACITY_LARGE)
 
 /obj/structure/dispenser_bot/attackby(obj/item/item, mob/living/user, params)
-	. = ..()
-	if(user.combat_mode || .)
-		return
-
+	if(user.combat_mode)
+		return ..()
+	if(istype(item, /obj/item/wrench) || istype(item, /obj/item/multitool) || istype(item, /obj/item/integrated_circuit))
+		return ..()
 	if(item.w_class > max_weight && !istype(item, /obj/item/storage/bag))
 		balloon_alert(user, "item too big!")
-		return
-
+		return FALSE
 	if(length(stored_items) >= capacity)
 		balloon_alert(user, "at maximum capacity!")
-		return
-
+		return FALSE
 	if(istype(item, /obj/item/storage/bag))
 		for(var/obj/item/bag_item in item.contents)
 			if(length(stored_items) >= capacity)
 				break
-			add_item(bag_item)
-		return
-
-	add_item(item)
+			if(bag_item.w_class > max_weight || istype(bag_item, /obj/item/storage/bag))
+				continue
+			add_item(user, bag_item)
+		return TRUE
+	add_item(user, item)
+	return TRUE
 
 /obj/structure/dispenser_bot/wrench_act(mob/living/user, obj/item/tool)
 	if(locked)
 		return
 	set_anchored(!anchored)
 	tool.play_tool_sound(src)
-	balloon_alert(user, "You [anchored?"secure":"unsecure"] [src].")
+	balloon_alert(user, "[anchored? "secured" : "unsecured"]")
 	return TRUE
 
 /obj/item/circuit_component/dispenser_bot