The on_change_party set the default currency from the company and methods from
the party.
Closes#14149
(grafted from 28c6378e6e274df23e31f85bdc9062a28f2b6fdd)
--HG--
branch : 7.0
When account_tax_rule_country is activated, the pattern must be filled with
from_country and to_country to compute the right tax.
Closes#13223
(grafted from 1f4f2778d399c214b93ff41ac9e11e826f7c6724)
--HG--
branch : 7.0