still working on edit enroll
still fixing
Merge branch 'develop' into feature/edit_participant_enroll_optout_reset
edit enroll of participant now works
added reset function to programParticipantsController
added tests for reset() in programParticipantsController
added optin, optout functions and refactored editEnrolls function
updated backend
Merge branch 'feature/edit_participant_enroll_optout_reset' into develop
fixed merge conflicts in programParticipantsControllerTest