Item amount can't be negative on SDK level anymore. Move negative rounding to last item, that said rounding can be subtracted.
Last item could be zero amount, for example free delivery or so, campaign gift, anything, which means we cannot simply take last item.
Description
Item amount can't be negative on SDK level anymore. Move negative rounding to last item, that said rounding can be subtracted. Last item could be zero amount, for example free delivery or so, campaign gift, anything, which means we cannot simply take last item.