[FIX] delivery_auto_refresh: don't try to create lines over a new id

Some other modules could trigger the autorefresh even when the order
record isn't in the db, and making the line creation fail. We only need
it when the record is saved.

TT55206

Author: chienandalu

delivery_auto_refresh/models/sale_order.py

@@ -121,6 +121,12 @@ def _update_delivery_line(self, delivery_line, price_unit):
         if new_vals:
             delivery_line.write(new_vals)
 
+    def _create_delivery_line(self, carrier, price_unit):
+        # If the order isn't stored in the db the line creation is going to fail
+        if not self._origin:
+            return self.env["sale.order.line"]
+        return super()._create_delivery_line(carrier, price_unit)
+
     def _auto_refresh_delivery(self):
         self.ensure_one()
         if (