Add Helm values to disable KueueViz ingress resources

[david-gang]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Add kueueViz.backend.ingress.enabled and kueueViz.frontend.ingress.enabled Helm values to allow users to disable ingress creation when using alternative ingress solutions (e.g., Istio
Gateway/VirtualService).

Both options default to true for backwards compatibility.

Which issue(s) this PR fixes:

Fixes #7659

Special notes for your reviewer:

The change is implemented via the yaml-processor in hack/processing-plan.yaml. Helm unit tests have been added to verify the behavior.

Does this PR introduce a user-facing change?

Add kueueViz.backend.ingress.enabled and kueueViz.frontend.ingress.enabled Helm values to allow disabling KueueViz ingress resources.

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: david-gang
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[k8s-ci-robot]

Hi @david-gang. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[mimowo]

/ok-to-test