Add org registry export

Hcs.TestApp/TestApp/Scenario/OrgRegistryCommonScenario.cs

@@ -0,0 +1,16 @@
+using Hcs.Client;
+using System;
+
+namespace Hcs.TestApp.Scenario
+{
+    internal class OrgRegistryCommonScenario(UniClient client)
+    {
+        private readonly UniClient client = client;
+
+        internal void ExportOrgRegistry()
+        {
+            var result = client.OrgRegistryCommon.ExportOrgRegistryAsync("1031402044145", string.Empty).Result;
+            Console.WriteLine("Scenario execution " + (result != null ? "succeeded" : "failed"));
+        }
+    }
+}