Function lookup_order_attribution 

pub fn lookup_order_attribution<S>(
    state: &PortfolioState,
    batch_cache: &HashMap<OrderId, (Option<Uuid>, Option<S>)>,
    correlation_to_strategy: &BTreeMap<Uuid, S>,
    order_id: &OrderId,
) -> (Option<Uuid>, Option<S>)
where
    S: Clone + for<'a> From<&'a str>,