Code Insights: Retain selected series when sorting and limiting

Created by: unclejustin

When changing the sort or limit filters on an insight, it loses any selected series. A better UX may be to retain the selected series and show that selection sorted.

Example:

The user has series 1-10. Selects 1-5 and sorts by name descending. We would prefer to show series 1-5 ordered 5, 4, 3, 2, and 1 rather than all 10.