Unhide button on first post does nothing after flag + edit sequence

[Moin]

@copymonopoly Is this bug report related to the question here? Were you able to find the cause?

Embedded media post allowed groups conflicts with post moderation workflow: unhide! fails with ActiveRecord::RecordInvalid

There is a conflict between “Embedded media post allowed groups” and the post unhide workflow. If a post is created by a user who is not in the allowed media groups and later gets hidden (via flags), when a moderator edits the hidden post and adds media, attempting to unhide the post will fail with: ActiveRecord::RecordInvalid Validation failed: Sorry, you can't embed media items in a post. The unhide process re-runs media validation using the original author’s permissions, not the moderator’…