PWA-1506: Billing address parameter 'same_as_shipping' cause error 'The shipping method is missing'

* Updated schema descriptions for "same_as_shipping" and "use_for_shipping"

Author: amolina-adobe

app/code/Magento/QuoteGraphQl/etc/schema.graphqls

@@ -104,8 +104,8 @@ input SetBillingAddressOnCartInput {
 input BillingAddressInput {
     customer_address_id: Int
     address: CartAddressInput
-    use_for_shipping: Boolean @doc(description: "Deprecated: use `same_as_shipping` field instead")
-    same_as_shipping: Boolean @doc(description: "Set billing address same as shipping")
+    use_for_shipping: Boolean @doc(description: "Indicates whether to additionally set the shipping address based on the provided billing address")
+    same_as_shipping: Boolean @doc(description: "Indicates whether to set the billing address based on the existing shipping address on the cart")
 }
 
 input CartAddressInput {

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Customer/SetBillingAddressOnCartTest.php

@@ -137,8 +137,6 @@ public function testSetNewBillingAddress()
     /**
      * Tests that the "use_for_shipping" option sets the provided billing address for shipping as well.
      *
-     * Note: the "use_for_shipping" option has been deprecated.
-     *
      * @magentoApiDataFixture Magento/Customer/_files/customer.php
      * @magentoApiDataFixture Magento/GraphQl/Catalog/_files/simple_product.php
      * @magentoApiDataFixture Magento/GraphQl/Quote/_files/customer/create_empty_cart.php

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Guest/SetBillingAddressOnCartTest.php

@@ -90,8 +90,6 @@ public function testSetNewBillingAddress()
     /**
      * Tests that the "use_for_shipping" option sets the provided billing address for shipping as well.
      *
-     * Note: the "use_for_shipping" option has been deprecated.
-     *
      * @magentoApiDataFixture Magento/GraphQl/Catalog/_files/simple_product.php
      * @magentoApiDataFixture Magento/GraphQl/Quote/_files/guest/create_empty_cart.php
      * @magentoApiDataFixture Magento/GraphQl/Quote/_files/add_simple_product.php