Function headless_lms_models::users::insert_with_upstream_id_and_moocfi_id

pub async fn insert_with_upstream_id_and_moocfi_id(
    conn: &mut PgConnection,
    email: &str,
    first_name: Option<&str>,
    last_name: Option<&str>,
    upstream_id: i32,
    moocfi_id: Uuid
) -> ModelResult<User>