message: update comment to make explain behaviour better
diff: @@ -37,7 +37,7 @@ function _isLeaveOrJoin(ev) {
  }
  - // this only applies to joins/leaves not invites/kicks/bans
  + // this only applies to joins/invited joins/leaves not invites/kicks/bans
  const isJoin = membership === 'join' && prevMembership !== 'ban';
  const isLeave = membership === 'leave' && ev.getStateKey() === ev.getSender();
  return isJoin || isLeave;
  