Skip invoice line not type "line" when compute invoiced quantities

review322001
(transplanted from 1353e038f992f47bdd2b2a52ede3c072515e2cf0)

sale.py

@@ -1370,6 +1370,8 @@ class SaleLine(ModelSQL, ModelView):
         ignored_ids = set(
             l.id for i in line.sale.invoices_ignored for l in i.lines)
         for invoice_line in line.invoice_lines:
+            if invoice_line.type != 'line':
+                continue
             if ((invoice_line.invoice and
                     invoice_line.invoice.state != 'cancel') or
                 invoice_line.id in ignored_ids):