Insights/display-only-active-series-on-hover

Created by: unclejustin

Closes https://github.com/sourcegraph/sourcegraph/issues/36463

Test plan

• Open storybook
• Go to "Smart Insights View Grid Example"
• Toggle any number of series on any insight
• Only those series should show in the tooltip on hover

App preview:

• Web
• Storybook

Check out the client app preview documentation to learn more.