Function headless_lms_models::library::user_exercise_state_updater::data_loader::load_peer_or_self_review_config

async fn load_peer_or_self_review_config(
    conn: &mut PgConnection,
    already_loaded_peer_or_self_review_config: Option<PeerOrSelfReviewConfig>,
    loaded_exercise: &Exercise
) -> ModelResult<PeerOrSelfReviewConfig>