GitLab

Top level of the likes OrderedCollection is inlined to get immediate
access to totalItems. Because the count can be returned without scanning
the database for like activities the extra query is saved when the
client only wants to display the total.

Activities returned from inbox can include other types of objects like
Article

```
# Only return statuses that have been pinned
GET /api/statuses/user_timeline.json?pinned=true

# Pin
POST /api/statuses/pin/:id

# Unpin
POST /api/statuses/unpin/:id
```

auth_active?/1 can check remote users and return true directly.

in conversations.

Will work for missing users and badly migrated users.

The intention here is to allow proper subject copying when it contains
emoji, obviously this will require minor frontend changes, though.

Because tombstone objects has no addressing the is_public?-predicate
would cause an error that propagated as a 500 error in the api