Withdrawals; Payment method fee now calculates as a straight percentage, not as a grossed up fee

When processing a Withdrawal via the Account Withdrawal form there is a option to charge a Withdrawal fee and a fee associated with the Payment Method.

The fee associated with the Payment Method (defined under Admin, Bank Account, Payment Method page) now calculates as a straight percentage, not as a grossed up percentage.

Note, this differs from a Direct Debit type payment, where the fee is grossed up.