Idea: DisallowIncomingPartialPayment

[tequdev]

If Hook triggers from ttPayment, it is not guaranteed that the full amount will be received in the Amount field in the case of PartialPayment.

It is possible to check the PartialPayment flag within the Hook and reject it, but it is safer to be able to reject it outside the Hook as a Disallow flag.

In addition, it will also be possible for exchanges and other organizations to reject partial payments without Hook.