MC-20636: MyAccount :: Order Details :: Order Details by Order Number

- Schema update for shipping_handling

Author: avattam06

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

@@ -143,9 +143,10 @@ type InvoiceTotal implements SalesTotalAmountInterface @doc(description: "Invoic
 
 type ShippingHandling @doc(description: "The Shipping handling details") {
     total_amount: Money! @doc(description: "The total amount for shipping")
-    amount_inc_tax: Money @doc(description: "The shipping amount, including tax")
-    amount_exc_tax: Money @doc(description: "The shipping amount, excluding tax")
+    amount_including_tax: Money @doc(description: "The shipping amount, including tax")
+    amount_excluding_tax: Money @doc(description: "The shipping amount, excluding tax")
     taxes: [TaxItem] @doc(description: "Contains details about taxes applied for shipping")
+    discounts: [Discount] @doc(description: "The applied discounts to the shipping")
 }
 
 type OrderShipment @doc(description: "Order shipment details") {