fix(ItemComponent): avoid warning loading project

addons/escoria-ui-return-monkey-island/item_components/ESCItemComponentInventoryChecker.gd

@@ -5,5 +5,6 @@ func get_component_type():
     return "auto-inventory-checker"
 
 func _enter_tree():
-    if escoria.inventory_manager.inventory_has(get_global_id()):
-        escoria.object_manager.get_object(get_global_id()).active = false
+    if "inventory_manager" in escoria:
+        if escoria.inventory_manager.inventory_has(get_global_id()):
+            escoria.object_manager.get_object(get_global_id()).active = false