Description

When restoring a visual revision or saving a post that includes meta blocks such as the Footnotes block, the editor remains in a dirty state even after the post is saved. Attempting to refresh the page or navigate away triggers the warning: "Changes that you made may not be saved."

Step-by-step reproduction instructions

Restoring Revisions

1. Open a page or post with revisions.
2. Restore the post to an older revision using Visual Revisions.
3. Try going back or refreshing the page.
4. Notice the warning: Changes that you made may not be saved.

Saving Posts with Meta Blocks

1. Create a page or post.
2. Add Footnotes to some text.
3. Save the post.
4. Try going back or refreshing the page.
5. Notice the warning: Changes that you made may not be saved.

Screenshots, screen recording, code snippet

No response

Environment info

No response

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