Supporting grouping by custom Ideas Categories fields for the Now Next Later Roadmap

What is the challenge?

Users can now group items on the Now, Next Later Roadmap by custom fields, but the Ideas Categories custom field is not supported.

What is the impact?

Users cannot group by Idea Categories when displaying records like Epics and Features on the Now, Next, Later Roadmap

Describe your idea

Add Ideas Categories to the list of currently supported fields to group records by.