Function headless_lms_server::controllers::main_frontend::courses::get_daily_user_counts_with_submissions

async fn get_daily_user_counts_with_submissions(
    pool: Data<PgPool>,
    course_id: Path<Uuid>,
    user: AuthUser
) -> ControllerResult<Json<Vec<ExerciseSlideSubmissionCount>>>

GET /api/v0/main-frontend/courses/:id/daily-users-who-have-submitted-something - Returns a count of users who have submitted something grouped by day.