[FIX] On export of a picking to BOTS, the currency can be obtained from the original order if no order line ID can be found.
[FIX] Fix now takes the correct database cursor, uid etc when converting currency.
[IMP] Delivery Order lines not present on the original order are now populated with the cost on the pricelist if present.
[MERGE] Merge branch 'bots-export-order-currency-fix'
[FIX] pool is not available to self, so use session