[8.0][acccount_invoice_merge_purchase] Error: when invoicing from various pickings and leaving one of them waiting

[ArthurReinhart]

While combining purchase invoices, all pickings are marked as invoiced

Example: 1 purchase order, ends divided in 3 pickings, and 2 of them are invoiced, then when those 2 invoices are merged, the 3rd picking that was waiting is marked also as invoiced.

I think the problem is the for loop at the end of the do_merge, which marks all stock moves related to the purchase order as invoiced, and i think this is wrong, since stock moves are already invoiced except the ones in the pending picking.

[github-actions]

There hasn't been any activity on this issue in the past 6 months, so it has been marked as stale and it will be closed automatically if no further activity occurs in the next 30 days.
If you want this issue to never become stale, please ask a PSC member to apply the "no stale" label.