CONTINUE_ON_FAILED_REGISTRATION_RPS = RP_CONFIG.fetch('allow_continue_on_failed_registration')

CONTINUE_ON_FAILED_REGISTRATION_RPS = RP_CONFIG.fetch('allow_continue_on_failed_registration', ifnone: [])

Allow flag to not be in config
3712: Allow flag to not be in config

Build is failing because 'allow_continue_on_failed_registration' is not
set in the verify-frontend-federation-config configuration. This change
allows for the flag not being set, returning empty array instead of nil.
