FIX Trigger a payment confirmed extension point
FIX Trigger a payment confirmed extension point

After payment is confirmed for external payment processors, trigger
an event to indicate as such, as registration flows through this path
do _NOT_ get the onRegistrationComplete event and need to be notified
in a different way that they're 'finished'

stephenmcm/silverstripe-eventmanagement,silverstripe-australia/silverstripe-eventmanagement,silverstripe-australia/silverstripe-eventmanagement,stephenmcm/silverstripe-eventmanagement