🌱 Add nilIsZero to all KSM metric configs where needed

[tobiasgiese]

What this PR does / why we need it:

This PR adds nilIsZero: true to the status conditions StateSets and to other status fields.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

/cc @chrischdi

[tobiasgiese]

/label area/metrics

[k8s-ci-robot]

@tobiasgiese: The label(s) /label area/metrics cannot be applied. These labels are supported: api-review, tide/merge-method-merge, tide/merge-method-rebase, tide/merge-method-squash, team/katacoda, refactor. Is this label configured under labels -> additional_labels or labels -> restricted_labels in plugin.yaml?

In response to this:

/label area/metrics

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[chrischdi]

Thanks!

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 67a34b962f275ded123bb7dd747fcd97a7ebda3c

[chrischdi]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chrischdi

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