Description

If the notes box contains a long text, there should be a “Show More” / “Show Less” toggle for better readability.

Step-by-step reproduction instructions

1. Open post editor
2. Add paragraph block and add note
3. Added long sentence in note

Screenshots, screen recording, code snippet

Environment info

1. WP - 6.8.3
2. Gutenberg version 22.0.0-rc.1

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