[FIX] l10n_br_purchase: CFOP is taken from the fiscal operation
[FIX] l10n_br_purchase: CFOP is taken from the fiscal operation


thinkopensolutions/l10n-brazil,odoo-brazil/l10n-brazil-wip,odoo-brazil/l10n-brazil-wip,rvalyi/l10n-brazil,christiandev/l10n-brazil,thinkopensolutions/l10n-brazil,rvalyi/l10n-brazil,rodrigoasmacedo/l10n-brazil