Fixed Issue #1410 (#1560)

Added IdentityUrlExternal to src\Services\Ordering\Ordering.FunctionalTests\appsettings.json; sorted the properties

src/Services/Ordering/Ordering.FunctionalTests/appsettings.json

@@ -1,11 +1,12 @@
 {
+  "CheckUpdateTime": "30000",
   "ConnectionString": "Server=tcp:127.0.0.1,5433;Database=Microsoft.eShopOnContainers.Services.OrderingDb;User Id=sa;Password=Pass@word;",
+  "EventBusConnection": "localhost",
   "ExternalCatalogBaseUrl": "http://localhost:5101",
+  "GracePeriodTime": "1",
   "IdentityUrl": "http://localhost:5105",
+  "IdentityUrlExternal": "http://localhost:5105",
   "isTest": "true",
-  "EventBusConnection": "localhost",
-  "CheckUpdateTime": "30000",
-  "GracePeriodTime": "1",
   "SubscriptionClientName": "Ordering",
-  "SuppressCheckForUnhandledSecurityMetadata":true
+  "SuppressCheckForUnhandledSecurityMetadata": true
 }