Fix Metrics Collector full-window coverage (#54356)

* Initial plan

* Fix metrics collector full-window collection

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

* Delete pkg/cli/metrics_collector_workflow_contract_test.go

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>
Co-authored-by: Peli de Halleux <pelikhan@users.noreply.github.com>