Changes to Get Return

added the required property empty_package_report to the response with the 200 status

added the required property fraudulent_units to the response with the 200 status

the response property items/items/receiving_details/items/type_scoped_id became nullable for the status 200

added the new return_unit enum value to the items/items/receiving_details/items/type response property for the response status 200

removed the optoro_inventory enum value from the items/items/receiving_details/items/type response property for the response status 200

added the required property items/items/receiving_details/items/unit_uuid to the response with the 200 status