[RHCLOUD-37053] Simplify email connector internal logic #3227

Namespace: <a href="https://detailurl.setting.custom-console-url-namespace.is.not.configured" rel="nofollow">hcc-integrations-tenant
PipelineRun: <a href="https://console.redhat.com/application-pipeline/ns/hcc-integrations-tenant/pipelinerun/notifications-aggregator-on-pull-request-vvvmf" rel="nofollow">notifications-aggregator-on-pull-request-vvvmf

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Status	Duration	Name
✅ Succeeded	19 seconds	init
✅ Succeeded	21 seconds	clone-repository
✅ Succeeded	1 minute	build-container
✅ Succeeded	13 seconds	build-image-index
✅ Succeeded	45 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	3 minutes	clamav-scan
✅ Succeeded	58 seconds	clair-scan
✅ Succeeded	53 seconds	sast-shell-check
✅ Succeeded	50 seconds	coverity-availability-check
✅ Succeeded	9 seconds	deprecated-base-image-check
✅ Succeeded	21 seconds	sast-unicode-check
✅ Succeeded	7 seconds	apply-tags
✅ Succeeded	38 seconds	sast-snyk-check
✅ Succeeded	39 seconds	push-dockerfile
✅ Succeeded	12 seconds	rpms-signature-scan
✅ Succeeded	11 seconds	show-sbom
✅ Succeeded	11 seconds	show-summary