nodeutilization strategy: "numberOfNodes" should work as documented

[derdanne]

The "numberOfNodes" paramter should take effect as documented, when underutilzed nodes count is above the configured value. Currently it takes also effect, when nodes count is equal the configured value.

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Hi @derdanne. Thanks for your PR.

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[derdanne]

/check-cla

[damemi]

/ok-to-test

[damemi]

/approve
/lgtm

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: damemi, derdanne

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