message: fix(muc): member jid retrieval
diff: @@ -227,7 +227,7 @@ export default class MultiUserContact extends Contact {
  public getMember(nickname: string): { affiliation?: AFFILIATION; role?: ROLE; jid?: JID } {
  let data = this.getMembers().get(nickname) || {};
  - data.jid = data.jid ? new JID(data.jid) : undefined;
  + data.jid = data.jid ? new JID(data.jid.full || data.jid) : undefined;
  return data;
  }
  @@ -238,7 +238,7 @@ export default class MultiUserContact extends Contact {
  this.getMembers().set(nickname, {
  affiliation,
  role,
  - jid: jid ? jid.full : undefined,
  + jid: jid?.full,
  });
  return isNewMember;
  