Hide Atlassian-addons-admin group from default space permission and individual space permissions UI

Issue Summary

Atlassian-addons-admin group is visible under default space permission and individual space permissions UI. this was not visible previously.

Since the group cannot be managed or modified it should be hidden and not visible to users/admins in the UI.

Please note: the group is not visible under the user management screen.

Steps to Reproduce

• Access the default space permission screen and you will see Atlassian-addons-admin group listed
• Access space permissions screen and you will see the Atlassian-addons-admin group listed

Expected Results

Atlassian-addons-admin group should not be visible in the UI

Actual Results

Atlassian-addons-admin group should is visible in the UI

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available