message: when Pika in DoubleMasterMode, it is not controlled by readonly parameter
diff: @@ -88,7 +88,8 @@ class PikaServer {
  bool readonly() {
  slash::RWLock(&state_protector_, false);
  - if ((role_ & PIKA_ROLE_SLAVE)
  + if (!DoubleMasterMode()
  + && (role_ & PIKA_ROLE_SLAVE)
  && g_pika_conf->slave_read_only()) {
  return true;
  }
  