smart variable puppet class should not be auto selected
|Assigned To:||Ori Rabin|
|Target version:||Team Ivan Iteration 12|
|Found in release:||Pull request:||https://github.com/theforeman/foreman/pull/4151|
|Velocity based estimate||-|
When creating a new smart var, the puppet class selection defaults to the first puppet class, i think it makes little sense to chose the first, but instead force the user to select one, and display validation error if the user did not select it.