Muc admin doesn't escape group names correctly
Description
Setting a group named "<plaintext>" to admin a service, results in the attached.
This group name is handled correctly elsewhere in assigning permissions, but not on Service>Administration menu.
Environment
None
Acceptance Test - Entry
None
Assignee
Dave Cridland
Reporter
Simon Waters
Labels
Expected Effort
None
Ignite Forum URL
None
Fix versions
Priority
Configure