fn mark_rooms_to_sync(
prev_events_stream_id: StreamId,
matched_rooms: &HashMap<OwnedRoomId, MatchedRoom>,
rooms_states: &mut HashMap<OwnedRoomId, RoomState>,
) -> HashMap<OwnedRoomId, RoomToSync>Expand description
Computes the list of rooms to sync by applying the rooms states to the rooms matched by the request.
This will also update the rooms_states by marking all the rooms to sync as LIVE.