[Engineering] Highlight paid features during active trial – Part 1

What’s in part 1

MR	Description
!56155 (merged)	Initialize the experiment, without a feature flag, and create the initial badge component with a tooltip
!58834 (merged)	Add the feature flag so that we can at least enable the experiment & preview what we have, thus far, in Staging
!58827 (merged)	Add the basic informational popover without CTA buttons