Update CNV clusters overview

[sradco]

Update CNV clusters overview.
Grouped resources utilization to groups by resource, Added CPU delay time.

Signed-off-by: Shirly Radco [email protected]

[openshift-ci]

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[sradco]

Hi @moadz , The PR is ready for review.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[openshift-ci]

@sradco: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/test-e2e	ce342fb	link	true	/test test-e2e

Full PR test history. Your PR dashboard.

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