Set taxes from the sale line when create a invoice line from shipment cost
**Modules activated:** - sale - sale_shipment_cost - account_tax_rule_country **Scenario:** 1. Our company or warehouse is from SPAIN 2. Create a new customer and shipment address, to MOROCO. 3. Create a sale and select customer to delivery MOROCO. This customer has account tax rule to replace SPAIN to MOROCO taxes. 4. Add carrier in the sale. 5. Confirn the sale. sale_shipment_cost module create a new sale line, and taxes is from account tax rule ("MOROCO taxes"). 6. Process the sale. In the shipment, set a shipment cost value and done the shipment. 5. Find invoice lines was created: taxes is from the product (SPAIN taxes), when the customer has account tax rule ("MOROCO taxes").. **Conclusion:** New invoice line from sale shipment cost, taxes is from sale line and not default taxes from the product **Example data:** _self_ is a sale.line object: ``` (Pdb) self.sale.shipment_address.rec_name 'XXXX, TANGER-ASILAH, MA' (Pdb) self.sale.warehouse.address.rec_name 'XXXX, BARCELONA, ES' (Pdb) for line in self.sale.party.customer_tax_rule.lines: line.from_country and line.from_country.name, line.to_country and line.to_country.code ('España', 'MA') ('España', 'MA') ('España', 'MA') (Pdb) invoice_line._get_tax_rule_pattern() {'date': None, 'from_country': None, 'from_subdivision': None, 'to_country': None, 'to_subdivision': None} ``` Debug data is from https://github.com/tryton/tryton/blob/0e203ba32a84430b76d01dad5b0a21732cc427a4/modules/sale_shipment_cost/sale.py#L356
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