queryparser: add search field value mapping #1457

Job	Run time
Tests (3.8, pypi, redis, postgresql13, opensearch2)	3m 41s
Tests (3.8, pypi, redis, postgresql13, elasticsearch7)	3m 8s
Tests (3.8, pypi, redis, postgresql14, opensearch2)	3m 37s
Tests (3.8, pypi, redis, postgresql14, elasticsearch7)	3m 19s
Tests (3.8, pypi, redis, mysql8, opensearch2)	3m 50s
Tests (3.8, pypi, redis, mysql8, elasticsearch7)	3m 40s
Tests (3.9, pypi, redis, postgresql13, opensearch2)	3m 13s
Tests (3.9, pypi, redis, postgresql13, elasticsearch7)	3m 4s
Tests (3.9, pypi, redis, postgresql14, opensearch2)	3m 12s
Tests (3.9, pypi, redis, postgresql14, elasticsearch7)	3m 16s
Tests (3.9, pypi, redis, mysql8, opensearch2)	3m 35s
Tests (3.9, pypi, redis, mysql8, elasticsearch7)	3m 43s
	41m 18s

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