message: fix this hiding unbans as found by Luke's review
diff: @@ -36,8 +36,11 @@ function _isLeaveOrJoin(ev) {
  // dupe join event, fall through to hide rules
  }
  +
  // this only applies to joins/leaves not invites/kicks/bans
  - return membership === 'join' || (membership === 'leave' && ev.getStateKey() === ev.getSender());
  + const isJoin = membership === 'join' && prevMembership !== 'ban';
  + const isLeave = membership === 'leave' && ev.getStateKey() === ev.getSender();
  + return isJoin || isLeave;
  }
  export default function(ev, syncedSettings) {
  