VED-935: fix url response for empty identifier search bundle #562

Job	Run time
deploy-pr-backend / terraform-plan	37s
deploy-pr-backend / terraform-apply	2m 21s
run-e2e-tests (internal-dev-sandbox) / wait-for-deployment	4m 8s
run-e2e-tests (internal-dev) / wait-for-deployment	1m 6s
run-e2e-tests (internal-dev) / e2e-tests	6m 22s
run-e2e-tests (internal-dev-sandbox) / e2e-tests	17s
run-e2e-tests (internal-dev-sandbox) / batch-e2e-tests	0s
run-e2e-tests (internal-dev) / batch-e2e-tests	1m 23s
	16m 14s

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