Interactivity API: Styling is broken after navigation when using experimental full-page client-side navigation

[michalczaplinski]

Description

Occasionally, the page's CSS is messed up after client-side navigation when using the experimental client-side navigation feature.

Step-by-step reproduction instructions

1. Use a WP install with the 2024 theme.
2. Enable Full-Page Navigation experiment in GB plugin.
3. Create a page/post that includes an interactive block.
4. Navigate to the Home page.
5. Navigate to your post that includes the interactive block.
6. Navigate back to the Home page. ---> The styles are broken here

Screenshots, screen recording, code snippet

output_a052aa.mp4

Environment info

• WordPress 6.6.2
• Gutenberg trunk

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