Private draft gets published as public post

[malinajirka]

Expected behavior

When I click on the publish button (on a post list item) on a private draft it gets published as a private post.

Actual behavior

When I click on the publish button (on a post list item) on a private draft it gets published as a public post.

Steps to reproduce the behavior

On issue/10206-introduce-cancel-pending-upload

1. Create a private draft in offline and publish it
2. Cancel the auto-upload
3. Click on publish on the post list
4. Enable internet connection
5. Notice the post gets published not published as private post

On develop

1. Create a private draft in offline
2. Enable internet connection
3. Click on publish on the post list

[malinajirka]

This issue is present even on develop. I'm moving it out of the offline support project.

FYI @shiki @maxme

[malinajirka]

Fixed in #10402