v1/internal: refactor `GetComposeStatus` improve error handling #1324

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PipelineRun: <a href="https://console.redhat.com/application-pipeline/ns/insights-management-tenant/pipelinerun/image-builder-backend-on-pull-request-cb9k7" rel="nofollow">image-builder-backend-on-pull-request-cb9k7

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Status	Duration	Name
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✅ Succeeded	2 minutes	build-container
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✅ Succeeded	27 seconds	clair-scan
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✅ Succeeded	8 seconds	apply-tags
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✅ Succeeded	11 seconds	rpms-signature-scan
✅ Succeeded	7 seconds	show-sbom
✅ Succeeded	19 seconds	show-summary