perf: refactor parts of StreamSearch #462

Job	Run time
test / Test Fastify Integration	0s
test / Check Licenses	22s
test / Dependency Review	3s
test / Lint Code	0s
test / Test (14, macos-latest)	50s
test / Test (14, ubuntu-latest)	27s
test / Test (16, macos-latest)	27s
test / Test (16, ubuntu-latest)	18s
test / Test (16, windows-latest)	56s
test / Test (18, macos-latest)	1m 29s
test / Test (18, ubuntu-latest)	23s
test / Test (18, windows-latest)	54s
test / Test (20, macos-latest)	1m 39s
test / Test (20, ubuntu-latest)	19s
test / Test (20, windows-latest)	50s
test / Test (21, macos-latest)	48s
test / Test (21, ubuntu-latest)	38s
test / Test (21, windows-latest)	46s
test / Automerge Dependabot PRs	0s
	11m 9s

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