[FIX] l10n_ch - bvr_import signature of call to voucher onchange_partner_id
[FIX] l10n_ch - bvr_import signature of call to voucher onchange_partner_id

brain-tec/l10n-switzerland,brain-tec/l10n-switzerland,brain-tec/l10n-switzerland,BT-jmichaud/l10n-switzerland