For some reasons when we delete a MergeTree Part in atomic way something may go wrong - and leave the `delete_tmp_*` folder or it's part on disk. This may lead to a disk space consumption over time.

It's suggested to delete this folders at least at server start-up. Current solution with `clearOldTemporaryDirectories()` doesn't work because this method is called periodically from a thread without any locks or advisory on folders - it may cause the race conditions.
{
    if (!disk || !disk->supportZeroCopyReplication())
        return std::nullopt;
    return getZeroCopyPartPath(*getSettings(), disk->getType(), getTableSharedID(), part_name, zookeeper_path)[0];
}
std::optional<ZeroCopyLock> StorageReplicatedMergeTree::tryCreateZeroCopyExclusiveLock(const String & part_name, const DiskPtr & disk)
{
    if (!disk || !disk->supportZeroCopyReplication())
        return std::nullopt;
    zkutil::ZooKeeperPtr zookeeper = tryGetZooKeeper();
    if (!zookeeper)
        return std::nullopt;
    String zc_zookeeper_path = *getZeroCopyPartPath(part_name, disk);
    
    zookeeper->createAncestors(zc_zookeeper_path);
    zookeeper->createIfNotExists(zc_zookeeper_path, "");
    
    ZeroCopyLock lock(zookeeper, zc_zookeeper_path);
    if (lock.lock->tryLock())
        return lock;
    else
        return std::nullopt;
}
String StorageReplicatedMergeTree::findReplicaHavingPart(