fix: resolve error processing Kafka on-disk record format #6549

Job	Run time
prepare pre-build environment for tests	17s
build-hstream-admin-store	1m 56s
build-ghc-9.2.8	27m 13s
test-ghc-9.2.8	4m 7s
integration-tests-9.2.8	21m 9s
deploy-to-minikube-ghc-${{ matrix.ghc }}	0s
integration-tests-rqlite-9.2.8	20m 54s
integration-tests-kafka-9.2.8	12m 33s
integration-tests-kafka-rqlite-9.2.8	11m 8s
distributed-tests-9.2.8	5m 18s
	1h 44m 35s

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