Show user status in timeline (#32991)

* Use other branch

* All the changes that got lost

* Fix merge

* Ensure emoji can only be one character long

* Fixup labs feature

* Remove redundant check

* Update snapshot

* update snapshot

* add snapshot

* unpin

* fix pnpm lock

* undo pn[m lockfile changes altogether

as we shouldn't actually need any afaik

* update snpahot for changed IDs

* Snapshot update

* Snapshot update

* There is now another section

* more snapshots

* more snapshot

* More snapshots

* oh come on snapshots

* actual snapshot update

* Fix sonar issues

* just update the thing manually

* [screams internally]

* Update snapshot

* test for useUserStatus

* Make useUserStatus actually truncate

* Split out slash command to its own file

& add test

* Remove irrelevant comment

* doc

* Comment on non-obvious error message

---------

Co-authored-by: David Baker <dbkr@users.noreply.github.com>

docs/labs.md

@@ -131,5 +131,10 @@ joining a room.
 
 Replaces the legacy notification settings with a new one to manage push rules.
 
+## User status (`feature_user_status`)
+
+Enables setting a status message in your profile and to be able to view other's statuses.
+Requires [MSC4429](https://github.com/matrix-org/matrix-spec-proposals/pull/4429) and [MSC4426](https://github.com/matrix-org/matrix-spec-proposals/pull/4426).
+
 **Warning** This feature has options which are not backwards compatible, disabling
 it may have unintended consequences.