MET-6115 Refine fields for tombstone and index (#691) #1183

Job	Run time
ci / build	5m 46s
deploy-artifacts / deploy_libraries	2m 41s
docker-build_metis-core / docker-build-push	48s
docker-build_metis-authentication / docker-build-push	1m 9s
docker-build_metis-repository / docker-build-push	1m 19s
docker-build_metis-dereference / docker-build-push	39s
	12m 22s

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