Description

When trying to access patterns on editor there is an issue when on navigating using the tab key that prevents the list to scroll properly as a result the selected item is hidden because of the sticky elements (top or bottom of the sidebar)

Step-by-step reproduction instructions

1. Go to theme editor
2. Go to patterns tab
3. Ensure that the the screen resolution is 1920x1080 and there are multiple items available to toggle the scroll bar.

Screenshots, screen recording, code snippet

Environment info

• Wordpress version: 6.5.4
• Gutenberg version: 17.7
• PHP 8.1.23
• Desktop Windows laptop (1920x1080 sceen resolution)
• Browser: Chrome (v 125.0.6422.142) and Firefox (121.0.1)
• Theme: Twenty Twenty Four

Please confirm that you have searched existing issues in the repo.

Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

Yes