Function headless_lms_models::library::user_exercise_state_updater::data_loader::load_latest_exercise_slide_submission

async fn load_latest_exercise_slide_submission(
    conn: &mut PgConnection,
    already_loaded_latest_exercise_slide_submission: Option<ExerciseSlideSubmission>,
    loaded_user_exercise_state: &UserExerciseState
) -> ModelResult<ExerciseSlideSubmission>