Description

In the Style Book, clicking on an individual element (e.g., Paragraph or Button) correctly isolates that element for focused styling. However, when clicking on one of the style variations listed under that element, the view unexpectedly resets to the full Style Book overview instead of narrowing down to just that variation.

This breaks the expected UX flow and makes it difficult to focus on specific variations.

Step-by-step reproduction instructions

1. Open the Site Editor in a block theme that defines style variations (e.g., Twenty Twenty-Four).
2. Open the Style Book from the Styles panel.
3. Click on an individual block like Button — the view correctly focuses on just that block.
4. Now click on one of the style variations listed for that block.
5. The full list of all blocks reappears, instead of keeping the focus on the selected variation.

Screenshots, screen recording, code snippet

Environment info

• LocalWP setup
• PHP 8.2.27
• WordPress 6.8.1
• No plugins installed
• Browser: Brave v1.79.123

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

Please confirm which theme type you used for testing.

• Block
• Classic
• Hybrid (e.g. classic with theme.json)
• Not sure