Add Sample Data to Resource Tree (#1499)

* Add Sample Data to Resource Tree

* Format

* Fix strict build

* Fix lint

* Fixed implementation to show Sample data container

* Udated logic based on TokenCollection

* Re-configure copilot flag

---------

Co-authored-by: Predrag Klepic <v-prklepic@microsoft.com>

src/Common/SampleDataClient.ts

@@ -0,0 +1,26 @@
+import * as Cosmos from "@azure/cosmos";
+import { userContext } from "UserContext";
+
+let _sampleDataclient: Cosmos.CosmosClient;
+
+export function sampleDataClient(): Cosmos.CosmosClient {
+  if (_sampleDataclient) {
+    return _sampleDataclient;
+  }
+
+  const sampleDataConnectionInfo = userContext.sampleDataConnectionInfo;
+  const options: Cosmos.CosmosClientOptions = {
+    endpoint: sampleDataConnectionInfo.accountEndpoint,
+    tokenProvider: async () => {
+      const sampleDataConnectionInfo = userContext.sampleDataConnectionInfo;
+      return Promise.resolve(sampleDataConnectionInfo.resourceToken);
+    },
+    connectionPolicy: {
+      enableEndpointDiscovery: false,
+    },
+    userAgentSuffix: "Azure Portal",
+  };
+
+  _sampleDataclient = new Cosmos.CosmosClient(options);
+  return _sampleDataclient;
+}