Child Reconsent/Withdrawal #3445

Allow user to schedule Child Consent 6 Months to Age of Majority
at will for Reconsent or Withdrawal
Create Withdrawal PPG Status #3574

If the Participant withdraws from the Study create a PpgStatusHistory record
with a ppg status of 'withdrawn'

Closes #3574
Move adjudication to EventsController

from the SurveyorController as some Participants who are ineligible
do not take the Screener instrument

Closes #3734