User granted the Admin role cannot edit permissions

Description

1. Create a feed as dladmin
2. Add a user to the Admin role
3. Log in as the other user
4. Change the feed's role assignments and attempt to save

Results in an exception:

Environment

None
Done

Assignee

Sean Felten

Reporter

Sean Felten

Labels

None

Reviewer

None

Story point estimate

None

Epic Link

Sprint

None

Fix versions

Priority

Medium