fix: allow empty #71

Namespace: <a href="https://konflux-ui.apps.stone-stg-rh01.l2vh.p1.openshiftapps.com/ns/wlin-tenant" rel="nofollow">wlin-tenant
PipelineRun: <a href="https://konflux-ui.apps.stone-stg-rh01.l2vh.p1.openshiftapps.com/ns/wlin-tenant/pipelinerun/cara-konflux-ui-test-b1228-on-pull-request-kdksk" rel="nofollow">cara-konflux-ui-test-b1228-on-pull-request-kdksk

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Konflux Staging/cara-konflux-ui-test-b1228-on-pull-request has successfully validated your commit.

Status	Duration	Name
🟢 Succeeded	4 seconds	init
🟢 Succeeded	10 seconds	clone-repository
🟢 Succeeded	7 seconds	prefetch-dependencies
🟢 Succeeded	2 minutes	build-container
🟢 Succeeded	11 seconds	build-image-index
🟢 Succeeded	5 seconds	apply-tags
🟢 Succeeded	39 seconds	clair-scan
🟢 Succeeded	36 seconds	clamav-scan
🟢 Succeeded	5 seconds	coverity-availability-check
🟢 Succeeded	6 seconds	deprecated-base-image-check
🟢 Succeeded	28 seconds	ecosystem-cert-preflight-checks
🟢 Succeeded	6 seconds	push-dockerfile
🟢 Succeeded	25 seconds	rpms-signature-scan
🟢 Succeeded	9 seconds	sast-shell-check
🟢 Succeeded	11 seconds	sast-snyk-check
🟢 Succeeded	11 seconds	sast-unicode-check