#17744 Adding isVirtual mock to quote instance && fixs

Author: LucasCalazans

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

@@ -231,13 +231,16 @@ define([
                 isBillingAddressInitialized = addressList.some(function (addrs) {
                     if (addrs.isDefaultBilling()) {
                         selectBillingAddress(addrs);
+
                         return true;
                     }
+
                     return false;
                 });
             }
 
             shippingAddress = quote.shippingAddress();
+
             if (!isBillingAddressInitialized &&
                 shippingAddress &&
                 shippingAddress.canUseForBilling() &&

dev/tests/js/jasmine/tests/app/code/Magento/Braintree/frontend/js/view/payment/method-renderer/paypal.test.js

@@ -24,7 +24,10 @@ define([
                     paymentMethod: ko.observable(),
                     totals: ko.observable({
                         'base_grand_total': 0
-                    })
+                    }),
+                    isVirtual: function () {
+                        return false;
+                    }
                 },
                 'Magento_Braintree/js/view/payment/adapter': {
                     config: {},