message: fix(muc): own nickname change
  fix
  close
diff: @@ -246,10 +246,6 @@ export default class MultiUserContact extends Contact {
  public removeMember(nickname: string) {
  this.getMembers().remove(nickname);
  -
  - if (nickname === this.getNickname()) {
  - this.shutdown();
  - }
  }
  public getMemberIds(): string[] {
  