The helpers RuntimeInfo helpers don't handle correctly numNodes

What happened?

We are using the Kubeflow Trainer helpers in Kueue to construct the PodSets.

However, when numNodes >0 we need to post-process the results to get the proper numbers of Pods.

See the bugfix: https://github.com/kubernetes-sigs/kueue/pull/8135/changes#diff-eb30173c6ca84a779cd005d1c147a311b18a077bd35205dc64942fd824ffb3e4R181-R187

Here is the follow up issue in Kueue: https://github.com/kubernetes-sigs/kueue/issues/8287

What did you expect to happen?

I would expect the outcome of the helpers not to require any custom post-processing. Other projects may also hit this issue.

Environment

Kueue project

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