Survey Safety Net preventing mass notifications

Survey creators can dynamically update their Survey runs based on Fact Sheet filter criteria. Sometimes, this feature can result in unnecessarily sent Survey notifications when many Fact Sheets are bulk updated or when filters break due to configuration changes. To prevent such mass notifications, a 'Safety Net' has been implemented to notify admins of significant changes and prevent messages until approved by the survey creator or admin users.

The 'Safety Net' feature is enabled by default, sends a notification email when at least 100 Fact Sheets (configurable threshold) have been added to a survey, and blocks the survey notifications until approved.