Feature flags on visualizations/tabs to show/hide content to different users

[albertoperdomo]

Is your feature request related to a problem? Please describe.
Customer: We are considering placing some of the new visualizations, or the entire tab, inside a dashboard behind a feature flag. This way, we can display them to certain users before fully rolling them out.

Describe the solution you'd like
TBD

Describe alternatives you've considered
Create multiple dashboards and conditionally display them based on the corresponding feature flag

How important is this feature to you?

Additional context
Slack: https://metaboat.slack.com/archives/C07166YL2UU/p1715639493912399