[FIX] l10n_it_delivery_note: fix delivery note invoice assignment by using invoice IDs

Author: GSLabIt

l10n_it_delivery_note/models/stock_picking.py

@@ -352,7 +352,9 @@ def button_validate(self):
             delivery_note = self._create_delivery_note()
             self.write({"delivery_note_id": delivery_note.id})
             if self.sale_id:
-                self.sale_id._assign_delivery_notes_invoices(self.sale_id.invoice_ids)
+                self.sale_id._assign_delivery_notes_invoices(
+                    self.sale_id.invoice_ids.ids
+                )
         return res
 
     def _create_delivery_note(self):

l10n_it_delivery_note/wizard/delivery_note_create.py

@@ -129,7 +129,7 @@ def confirm(self):
 
         self.selected_picking_ids.write({"delivery_note_id": delivery_note.id})
         if sale_order_id:
-            sale_order_id._assign_delivery_notes_invoices(sale_order_id.invoice_ids)
+            sale_order_id._assign_delivery_notes_invoices(sale_order_id.invoice_ids.ids)
 
         if self.user_has_groups("l10n_it_delivery_note.use_advanced_delivery_notes"):
             return delivery_note.goto()

l10n_it_delivery_note/wizard/delivery_note_select.py

@@ -63,7 +63,7 @@ def confirm(self):
         sale_order_ids = self.selected_picking_ids.sale_id
         sale_order_id = sale_order_ids and sale_order_ids[0] or self.env["sale.order"]
         if sale_order_id:
-            sale_order_id._assign_delivery_notes_invoices(sale_order_id.invoice_ids)
+            sale_order_id._assign_delivery_notes_invoices(sale_order_id.invoice_ids.ids)
 
         if self.user_has_groups("l10n_it_delivery_note.use_advanced_delivery_notes"):
             return self.delivery_note_id.goto()