Fix bug when leaving a room after a item was picked up

addons/escoria-core/game/scenes/inventory/inventory_ui.gd

@@ -40,7 +40,8 @@ func add_new_item_by_id(item_id: String) -> void:
 	if item_id.begins_with("i/"):
 		item_id = item_id.rsplit("i/", false)[0]
 	if not items_ids_in_inventory.has(item_id):
-		if not escoria.object_manager.has(item_id):
+		if not escoria.object_manager.has(item_id) or not is_instance_valid( \
+				escoria.object_manager.get_object(item_id).node):
 			var inventory_file = "%s/%s.tscn" % [
 				ProjectSettings.get_setting(
 					"escoria/ui/items_autoregister_path"
@@ -52,7 +53,8 @@ func add_new_item_by_id(item_id: String) -> void:
 					ESCObject.new(
 						item_id,
 						ResourceLoader.load(inventory_file).instance()
-					)
+					),
+					true
 				)
 			else:
 				escoria.logger.report_errors(

game/rooms/room05/esc/room05.esc

@@ -1,8 +1,18 @@
 :setup
 
+# Disable wrench item if present in the inventory
 > [i/r5_wrench]
 	set_active r5_wrench false
 
+# Disable pen item if present in the inventory
+> [i/r5_pen]
+	set_active r5_pen false
+
+# Disable empty_sheet item if present in the inventory
+> [i/r5_empty_sheet]
+	set_active r5_empty_sheet false
+
+# Manage player position depending on where he comes from
 > [eq ESC_LAST_SCENE room4]
 	teleport player r5_l_exit
 	# Set player look right
@@ -18,6 +28,7 @@
 	set_angle player 90
 	stop
 
+
 :ready
 #walk player r5_wrench
 #set_global i/r5_wrench true