view ACLs: enable admins to block off search/viewing access to certain resources like datasets to groups/individuals

Migrated this to the new feature request portal https://feature-requests.datahubproject.io/b/User-Experience/p/rbac-functionality-field-level-[…]event-displaying-sensitive-data-to-the-wrong-people @gifted-queen-61023 please head over & upvote if this is still relevant for you!

@little-megabyte-1074 there are 2 similar threads for view ACL, not sure if you'll rather collapse them as one: https://feature-requests.datahubproject.io/b/User-Experience/p/rbac-functionality-field-level-[…]event-displaying-sensitive-data-to-the-wrong-people https://feature-requests.datahubproject.io/b/User-Experience/p/rbac-functionality-view-based-policies