message: Use a nonblocking write for compact on lauch
diff: @@ -450,7 +450,7 @@ void RealmCoordinator::open_db()
  size_t free_space = 0;
  size_t used_space = 0;
  - if (auto tr = m_db->start_write(false)) {
  + if (auto tr = m_db->start_write(true)) {
  tr->commit();
  m_db->get_stats(free_space, used_space);
  }
  