Refactor initialization code and add WorkflowFeatureSet to App/Index.ts #1366

Job	Run time
generate-build-number	2s
isolated-vm-docker-image-deploy	8m 24s
nginx-docker-image-deploy	9m 51s
test-server-docker-image-deploy	8m 38s
ingestor-docker-image-deploy	9m 2s
otel-collector-docker-image-deploy	1m 5s
status-page-docker-image-deploy	15m 24s
test-docker-image-deploy	1m 40s
admin-dashboard-docker-image-deploy	17m 25s
accounts-docker-image-deploy	13m 53s
dashboard-docker-image-deploy	22m 47s
haraka-docker-image-deploy	4m 11s
probe-docker-image-deploy	8m 25s
app-docker-image-deploy	8m 46s
infrastructure-agent-docker-image-deploy	8m 12s
test-helm-chart	50s
	2h 18m 35s

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