Replace button in PrivacyInfoModal with one that won’t cause form submit side effect
Replace button in PrivacyInfoModal with one that won’t cause form submit side effect

Fixes #6444

mrpau/kolibri,learningequality/kolibri,learningequality/kolibri,mrpau/kolibri,indirectlylit/kolibri,indirectlylit/kolibri,mrpau/kolibri,indirectlylit/kolibri,indirectlylit/kolibri,mrpau/kolibri,learningequality/kolibri,learningequality/kolibri