Necessary fixes for `_bulk` endpoint #6961

Job	Run time
quesma-test-and-compile (quesma)	1m 14s
build-log-generator (log-generator)	30s
build-quesma-docker-image / build-quesma-docker-image (quesma)	1m 6s
smoke-test	2m 21s
	5m 11s

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