SRVKP-14864: add fix for undefined length issue in pipelinerun [release-v1.24.x]

[openshift-cherrypick-robot]

This is an automated cherry-pick of #1413

/assign anwesha-palit-redhat

[openshift-ci-robot]

@openshift-cherrypick-robot: Ignoring requests to cherry-pick non-bug issues: SRVKP-14864

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In response to this:

This is an automated cherry-pick of #1413

/assign anwesha-palit-redhat

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[anwesha-palit-redhat]

/lgtm

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