Add 'Sign in with Red Hat ...' item to Accounts menu when ext activated

Fix #2860.

Signed-off-by: Denis Golovin <dgolovin@redhat.com>

Author: dgolovin

src/extension.ts

@@ -11,7 +11,8 @@ import {
     StatusBarAlignment,
     StatusBarItem,
     env,
-    QuickPickItemKind
+    QuickPickItemKind,
+    authentication
 } from 'vscode';
 import path = require('path');
 import { startTelemetry } from './telemetry';
@@ -89,6 +90,9 @@ export async function activate(extensionContext: ExtensionContext): Promise<any>
     ];
     disposable.forEach((value) => extensionContext.subscriptions.push(value));
 
+    // activate "Sign in with Red Hat ..."
+    void authentication.getSession('redhat-account-auth', ['openid'], { silent: false });
+
     function statusBarFunctions() {
         return commands.registerCommand('openshift.openStatusBar', async () => {
             const selection = await window.showQuickPick(