AO3-7589 Update description for works in unrevealed collections

[Panekd]

Pull Request Checklist

• Have you read the contributing guidelines?
• Have you read "How to write the perfect pull request"?
• Have you added tests for any changed functionality?
• Have you added the Jira issue number
  as the first thing in your pull request title (e.g. AO3-1234 Fix thing)
• Do you have fewer than 5 pull requests already open? If not, please wait
  until they are reviewed and merged before creating new pull requests.
• I acknowledge that submitting code created or modified with the help of AI is a bannable offense.

Issue

https://otwarchive.atlassian.net/browse/AO3-7589

Purpose

Change the blurbs and notices for unrevealed works to more accurately reflect how they are used.

Testing Instructions

• Create an unrevealed collection
• Post a work to the collection
• At the top of the work page you should see the notice:

This work is part of a collection that has not been revealed. Please visit [collection name] for details.

To learn more about unrevealed collections, check out What does it mean that a collection is Open or Closed, Moderated or Unmoderated, Unrevealed, or Anonymous? in our Collections FAQ.

• Add the collection to a challenge and give it a reveal date
• Go to the work page and you should see the notice:

This work is part of an ongoing challenge and is scheduled to be revealed on [reveal date]. Please visit [collection name] for details.

To learn more about unrevealed collections, check out What does it mean that a collection is Open or Closed, Moderated or Unmoderated, Unrevealed, or Anonymous? in our Collections FAQ.

• Bookmark the work and go to your bookmarks page
• Log out
• The bookmark's blurb should say:

This work is part of a collection that has not been revealed.

Credit

Rose Hardy - she/her