perf: refactor parts of StreamSearch #456

Job	Run time
test / Test Fastify Integration	0s
test / Dependency Review	5s
test / Check Licenses	26s
test / Lint Code	0s
test / Test (14, macos-latest)	54s
test / Test (14, ubuntu-latest)	24s
test / Test (16, macos-latest)	28s
test / Test (16, ubuntu-latest)	21s
test / Test (16, windows-latest)	52s
test / Test (18, macos-latest)	33s
test / Test (18, ubuntu-latest)	23s
test / Test (18, windows-latest)	1m 5s
test / Test (20, macos-latest)	38s
test / Test (20, ubuntu-latest)	24s
test / Test (20, windows-latest)	1m 12s
test / Test (21, macos-latest)	51s
test / Test (21, ubuntu-latest)	26s
test / Test (21, windows-latest)	1m 12s
test / Automerge Dependabot PRs	0s
	10m 14s

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