[FIX] account_payment_group: inherit method
[FIX] account_payment_group: inherit method

Inherited '_create_paired_internal_transfer_payment' method to
send by context 'force_amount_company_currency' field to correctly
compute the paired transfer when using a another currency

closes ingadhoc/account-payment#303

Signed-off-by: Juan José Scarafía <1d1652a8631a1f5a0ea40ef8dcad76f737ce6379@adhoc.com.ar>

ingadhoc/account-payment