- When using the Glimmer Post Stream, ensure the status wrapper is only
rendered for mentions of users with a status set.
This prevents an empty wrapper from adding a small blank space at the
end of the mention.
- Ensures the post's user field in initialized with the
`avatar_template` in the PostStream to prevent missing avatar on small
actions
- Fix an issue where the path would be incorrectly linked on small
actions
- Fix an issue where the relative timestamp would be incorrectly
displayed in wiki posts
