message: src/Client: send failed logins to NOTICE instead of PRIVMSG
  When connecting to many ZNC networks at once, one failed login causes numerous query windows from *status to pop up. These can be annoying to close depending on the client.
diff: @@ -368,8 +368,7 @@ void CAuthBase::RefuseLogin(const CString& sReason) {
  // login. Use sReason because there are other reasons than "wrong
  // password" for a login to be rejected (e.g. fail2ban).
  if (pUser) {
  - pUser->PutStatus("A client from [" + GetRemoteIP() +
  - "] attempted "
  + pUser->PutStatusNotice("A client from [" + GetRemoteIP() + "] attempted "
  "to login as you, but was rejected [" +
  sReason + "].");
  }
  