MAGETWO-96850: [2.3.x] One page Checkout resets Customer data if Product Qty was changed

- Changed the logic of getting checkout data

Author: vital-pantsialeyeu

app/code/Magento/Checkout/view/frontend/web/js/checkout-data.js

@@ -37,7 +37,7 @@ define([
                 'selectedBillingAddress': null, //Selected billing address pulled from persistence storage
                 'billingAddressFromData': null, //Billing address pulled from persistence storage
                 'newCustomerBillingAddress': null //Billing address pulled from persistence storage for new customer
-            }
+            };
         },
 
         /**