message: fix multi-process sync
diff: @@ -796,6 +796,14 @@ void RealmCoordinator::on_change()
  for (auto& realm : m_weak_realm_notifiers) {
  realm.notify();
  }
  +
  +#if REALM_ENABLE_SYNC
  + // Invoke realm sync if another process has notified for a change
  + if (m_sync_session) {
  + auto versionId = m_db->start_read()->get_version_of_current_transaction();
  + SyncSession::Internal::nonsync_transact_notify(*m_sync_session, versionId.version);
  + }
  +#endif
  }
  namespace {
  