[ENG-9977] Update defaults for no login email config#11507

cslzchen merged 2 commits intoCenterForOpenScience:feature/notifications-refactorCenterForOpenScience/osf.io:feature/notifications-refactorfrom

cslzchen:feature/no-login-defaultscslzchen/osf.io:feature/no-login-defaultsCopy head branch name to clipboard