Fixes #3551 - Show unavailable Puppet Classes in Host Group edit
Puppet Classes can be assigned to a Host Group even if they arenot available in the set environment.
The Classes persist through out changes of the environment,but were previously hidden from the UI this changes that.
Unavailable Puppet Classes are now shown in the UI as greyed outand a warning is displayed to inform the user about them.
Fixes #3551 - Show unavailable Puppet Classes in Host Group edit
Puppet Classes can be assigned to a Host Group even if they are
not available in the set environment.
The Classes persist through out changes of the environment,
but were previously hidden from the UI this changes that.
Unavailable Puppet Classes are now shown in the UI as greyed out
and a warning is displayed to inform the user about them.