Abstract Pdu filter matching into trait Event.

Abstract Pdu unsigned accessors into trait Event.

Abstract Pdu relation related into trait Event.

Abstract PDU content into trait Event.

Move event_id utils from pdu to event.

Signed-off-by: Jason Volk <jason@zemos.net>

src/api/client/room/initial_sync.rs

@@ -53,7 +53,9 @@ pub(crate) async fn room_initial_sync_route(
 		.try_collect::<Vec<_>>();
 
 	let (membership, visibility, state, events) =
-		try_join4(membership, visibility, state, events).await?;
+		try_join4(membership, visibility, state, events)
+			.boxed()
+			.await?;
 
 	let messages = PaginationChunk {
 		start: events