table_resolver refactor - introduce patternSplitter, decisionMerger #5444

Job	Run time
build-log-generator (log-generator)	26s
quesma-test-and-compile (quesma)	1m 23s
build-quesma-docker-image / build-quesma-docker-image (quesma)	53s
smoke-test	2m 17s
	4m 59s

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