Add exception for dangerous send
Add exception for dangerous send

The value of `params[:status]` is restricted to the four options current,
allocated, unallocated and archived so `send("#{params[:status]}_claims")`
is not dangerous in this case.

ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments,ministryofjustice/advocate-defence-payments