ACP2E-894: add new argument to filter customer orders based on scope level

Author: alzota

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

@@ -25,7 +25,7 @@ type Customer {
         filter: CustomerOrdersFilterInput @doc(description: "Defines the filter to use for searching customer orders."),
         currentPage: Int = 1 @doc(description: "Specifies which page of results to return. The default value is 1."),
         pageSize: Int = 20 @doc(description: "Specifies the maximum number of results to return at once. The default value is 20."),
-        scope: String @doc(description: "Specifies the scope of the orders (global, website, store)"),
+        scope: ScopeTypeEnum @doc(description: "Specifies the scope of the orders (global, website, store)"),
     ): CustomerOrders @resolver(class: "Magento\\SalesGraphQl\\Model\\Resolver\\CustomerOrders") @cache(cacheable: false)
 }
 
@@ -249,3 +249,9 @@ enum CheckoutUserInputErrorCodes {
     INSUFFICIENT_STOCK
     UNDEFINED
 }
+
+enum ScopeTypeEnum @doc(description: "This enumeration defines the scope type for customer orders.") {
+    global
+    website
+    store
+}