Bug - [Dual List Selector#basic-with-search] - [Second option is selected instead of first from Available option list]

Describe the problem
When the focus is on Available Options, the on pressing arrow key, second option in list is selected instead of first:The issue is with Component>Dual List Selector>. And this issue is in Patternfly 5.

How do you reproduce the problem?

1. Reach to the Menus Component>Dual List Selector (https://v5-archive.patternfly.org/components/dual-list-selector/#basic-with-search )
2. Start the voiceover and try to read the available options
3. When the focus is on Available Options, the on pressing arrow key, second option in list is selected instead of first

Expected behavior
When the focus is on Available Options, the on pressing arrow key, first option should be selected

Screenshots

What is your environment?
-iOS
Browser [e.g. chrome, safari]

Jira Issue: PF-2934

Issue にリンクされている PatternFly 5 Dual List Selector の basic-with-search 例から始め、コンポーネントの Available Options リストにおけるキーボードとフォーカスの動作を調べます。iOS で VoiceOver のケースを再現し、矢印キーを押すと最初のオプションが選択されること、また他のリスト操作でも既存の動作が引き続き正しいことを確認します。