[FIX] sale: exact matching on origin

Avoid that an invoice for 'SO042' matches with the invoices of 'SO04'.
The use of the like is required as it may contains more than one reference to an
invoice.

opw-676921

addons/sale/sale.py

@@ -54,7 +54,9 @@ class SaleOrder(models.Model):
             invoice_ids = order.order_line.mapped('invoice_lines').mapped('invoice_id')
             # Search for invoices which have been 'cancelled' (filter_refund = 'modify' in
             # 'account.invoice.refund')
-            invoice_ids |= invoice_ids.search([('origin', 'like', order.name)])
+            # use like as origin may contains multiple references (e.g. 'SO01, SO02')
+            refunds = invoice_ids.search([('origin', 'like', order.name)])
+            invoice_ids |= refunds.filtered(lambda r: order.name in [origin.strip() for origin in r.origin.split(',')])
             # Search for refunds as well
             refund_ids = self.env['account.invoice'].browse()
             if invoice_ids: