🐛 Modify calling agg cluster conditions

[cahillsf]

What this PR does / why we need it:

• also fixes util test case (with no conditions specified in the test case, the tested function errors out because there are no sourceObjs) this doesnt appear to align with the description of the test case (and no sourceObjs behavior is already tested here

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 #11820

/area cluster

[k8s-ci-robot]

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[cahillsf]

think this should address -- lmk if i should split the unit test update into a separate PR (i guess its not directly related the issue described)

[k8s-ci-robot]

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

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/label area/cluster

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[cahillsf]

/area cluster

[sbueringer]

Thank you!
/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 35700f9508c1396a485addd7a411bafb6db4d174

[k8s-ci-robot]

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