Update ClickHouseDataTypeMapper.java: fix for working with bytebuffer #896

Job	Run time
build-kafka-lightweight / build	7m 11s
testflows-kafka / testflows-kafka	42m 16s
testflows-lightweight / testflows-lightweight	1h 1m 50s
java-tests-lightweight / java-lightweight	1h 22m 42s
java-tests-kafka / java-kafka	1m 33s
testflows-lightweight / testflows-lightweight-replicated	1h 11m 8s
	4h 26m 40s

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