Updated Connected HelloWorld guidance article

Author: VesaJuvonen

docs/spfx/web-parts/get-started/connect-to-sharepoint.md

@@ -174,7 +174,8 @@ Copy and paste the following code just below `import MockHttpClient from './Mock
 
 ```ts
 import {
-  SPHttpClient
+  SPHttpClient,
+  SPHttpClientResponse   
 } from '@microsoft/sp-http';
 ```
 
@@ -183,7 +184,7 @@ Add the following private method to retrieve lists from SharePoint inside the **
 ```ts
 private _getListData(): Promise<ISPLists> {
   return this.context.spHttpClient.get(this.context.pageContext.web.absoluteUrl + `/_api/web/lists?$filter=Hidden eq false`, SPHttpClient.configurations.v1)
-    .then((response: Response) => {
+    .then((response: SPHttpClientResponse) => {
       return response.json();
     });
 }