message: POS: use [] instead of emplace for POS::Set<string>
diff: @@ -50,7 +50,7 @@ void PerObjectStorage::Set(CGameObject *pGameObject, const std::string& key, std
  {
  if (auto *pOS = GetObjectStorage(pGameObject))
  {
  - pOS->GetStringMap().emplace(key, std::make_pair<>(std::move(value), persist));
  + pOS->GetStringMap()[key] = std::make_pair<>(std::move(value), persist);
  }
  }
  void PerObjectStorage::Set(CGameObject *pGameObject, const std::string& key, void *value, CleanupFunc cleanup)
  