message: Make sure session_config.service_identifier is '/realm-sync'
diff: @@ -675,6 +675,9 @@ void SyncSession::create_sync_session()
  if (m_config.url_prefix) {
  session_config.service_identifier = *m_config.url_prefix;
  }
  + else {
  + session_config.service_identifier = "/realm-sync";
  + }
  if (m_force_client_resync) {
  std::string metadata_dir = m_realm_path + ".resync";
  