* If the navigation feature does not exist, have the NavigationNudge note self-action.
* Create delete_if_not_supported method on NavigationNudge note.
If we encounter this situation again we might consider adding a version of this method to NoteTraits.
* Add possibly_delete_notes() to do_wc_admin_daily().
* Add changelog entry for Issue 7807.
* Add should_note_exist() method to NavigationNudge note.
* Add should_note_exist() and delete_if_not_supported() to NavigationFeedback.
* Add NavigationFeedback::delete_if_not_supported() to possibly_delete_notes() in daily cron.
* Fix changelog missing PR number.
* Update changelog to include navigation feedback note.
* Rename should_note_exist and delete_if_not_supported to is_applicable and delete_if_not_applicable, add to NoteTraits.