Add group as members of another group

Description

I've often created groups and wanted to add everyone from the main company group to have access to the new group. I can add an entire group to the members of a project, but not at the group level.

Proposal

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Documentation blurb

Overview

What is it? Why should someone use this feature? What is the underlying (business) problem? How do you use this feature?

Use cases

Who is this for? Provide one or more use cases.

Feature checklist

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