Loading threads with server-side assistance (#9356)

* Fix bug with message context menu
* fix bug where ThreadSummary failed if no last reply is available
* Fix relations direction API
* Use same API for threads as for any other timeline
* Determine if event belongs to thread on jumping to event
* properly listen to thread deletion
* Add thread redaction tests
* Add fetchInitialEvent tests
* Paginate using default TimelinePanel behaviour
* Remove unused threads deleted code

Co-authored-by: Germain <germain@souquet.com>
Co-authored-by: Germain <germains@element.io>

src/stores/widgets/StopGapWidgetDriver.ts

@@ -451,12 +451,8 @@ export class StopGapWidgetDriver extends WidgetDriver {
             eventId,
             relationType ?? null,
             eventType ?? null,
-            {
-                from,
-                to,
-                limit,
-                dir,
-            });
+            { from, to, limit, dir },
+        );
 
         return {
             chunk: events.map(e => e.getEffectiveEvent() as IRoomEvent),