inventory bug fixes, multiplayer pickup sync

Scripts/Resources/item.gd

@@ -2,8 +2,17 @@ extends Resource
 
 class_name Item
 
+@export var id : int
 @export var value : int
 @export var name : String
 @export var weight : int
 @export var primary_objective : bool
 @export var secondary_objective : bool
+var controller : Marker3D
+
+
+func set_controller(new_controller : Marker3D):
+	controller = new_controller
+
+func get_controller() -> Marker3D:
+	return controller