[IMP] l10n_br_nfse: include amount_estimate_tax on method _prepare_lote_rps
[IMP] l10n_br_nfse: include amount_estimate_tax on method _prepare_lote_rps

akretion/l10n-brazil,akretion/l10n-brazil,OCA/l10n-brazil,akretion/l10n-brazil,OCA/l10n-brazil,OCA/l10n-brazil