Component scope for metric not correctly stored

[jchmielewska]

I register an application with a metric model that has a Raw metric with level "component", I select the component where it must be applied. I save the app. If i go back to edit the APP, the component I selected is not longer selected.

edit te APP, select a component and save. Then it is saved

• This issue was reported by Robert and moved from Launchpad #2063202 https://bugs.launchpad.net/nebulous/+bug/2063202