Description

If you jump into the code editor mode while editing a page, you'll only see the template markup. This happens regardless of whether the template preview mode is on or off.

In either case, using the code editor while editing a 'page' should allow you to edit the page not the template.

CC @youknowriad

Step-by-step reproduction instructions

1. Enter the site editor
2. Go to pages and select a page like "Sample Page"
3. Switch to code editor and see the code for the template, not the page
4. Disable "Template preview" in the inspector controls
5. Switch to code editor again and see the code for the template, not the page, even though the template isn't even visible

Screenshots, screen recording, code snippet

Environment info

• Gutenberg 18.3.0

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