Fix/create customer in draft order (#285)

* draft order now creates customer when creating cart

* corrected to update instead of create

* corrected tests

* added creation of customer to create of cart

* removed update function from mock

* added test

* corrected update to update email properly

* corrected tests

* removed unused func

* updated core properly

* removed manual-payment service

integration-tests/api/__tests__/store/draft-order.js

@@ -5,7 +5,6 @@ const { useApi } = require("../../../helpers/use-api");
 const { initDb, useDb } = require("../../../helpers/use-db");
 
 const draftOrderSeeder = require("../../helpers/draft-order-seeder");
-const { create } = require("domain");
 
 jest.setTimeout(30000);