message: Recheck if the realm is closed after before_notify()
diff: @@ -806,6 +806,9 @@ void Realm::notify()
  if (m_binding_context) {
  m_binding_context->before_notify();
  + if (is_closed() || is_in_transaction()) {
  + return;
  + }
  }
  auto cleanup = util::make_scope_exit([this]() noexcept { m_is_sending_notifications = false; });
  