Function download_dir_from_node 

pub async fn download_dir_from_node(
    node: Node,
    remote_path: &str,
    local_path: &Path,
    key_path: Option<&str>,
    strict_mode: StrictHostKeyChecking,
    use_agent: bool,
    use_password: bool,
    jump_hosts: Option<&str>,
    connect_timeout_seconds: Option<u64>,
    ssh_config: Option<&SshConfig>,
) -> Result<PathBuf>

Download a directory from a node with jump host support.