message: Only show it if exactly 2 members, until we get Canonical DMs
diff: @@ -379,7 +379,8 @@ module.exports = createReactClass({
  alt="dm"
  />;
  - if (this.props.room.getMember(dmUserId).membership === "join") {
  + const { room } = this.props;
  + if (room.getMember(dmUserId).membership === "join" && room.getJoinedMemberCount() === 2) {
  const UserOnlineDot = sdk.getComponent('rooms.UserOnlineDot');
  dmOnline = <UserOnlineDot userId={dmUserId} />;
  }
  