bug(cdk/menu): With NVDA enabled, keyboard focus doesn't show up

### Is this a regression?

- [ ] Yes, this behavior used to work in the previous version

### The previous version in which this bug was not present was

_No response_

### Description

keyboard focus is not working on CDK menu. But seems cdkMenuBar is working fine..

### Reproduction

Steps to reproduce:
1. https://material.angular.io/cdk/menu/examples#cdk-menu-standalone-menu
2. check below GIF for the issue

### Expected Behavior

With NVDA enabled, keyboard focus can't be focused on first item. And arrow key should be working fine

### Actual Behavior

With NVDA enabled, keyboard focus doesn't focus on first item. And arrow key not working fine

### Environment

- Angular: 15
- CDK/Material: 15
- Browser(s): Chrome
- Operating System (e.g. Windows, macOS, Ubuntu): Windows

リンク先の Angular Material ページにある CDK メニューのスタンドアロン例から始め、Windows 上の NVDA を使用して Chrome で動作を再現します。最初のメニュー項目にキーボードフォーカスが当たり、矢印キーによるナビゲーションが期待どおりに機能すれば完了です。

索引モデルが issue の本文から書いたものです。