perf: refactor parts of StreamSearch #457

Job	Run time
test / Check Licenses	28s
test / Dependency Review	3s
test / Test (14, macos-latest)	51s
test / Test Fastify Integration	0s
test / Test (14, ubuntu-latest)	27s
test / Test (16, macos-latest)	31s
test / Lint Code	0s
test / Test (16, ubuntu-latest)	19s
test / Test (16, windows-latest)	54s
test / Test (18, macos-latest)	39s
test / Test (18, ubuntu-latest)	19s
test / Test (18, windows-latest)	44s
test / Test (20, macos-latest)	44s
test / Test (20, ubuntu-latest)	19s
test / Test (20, windows-latest)	1m 22s
test / Test (21, macos-latest)	39s
test / Test (21, ubuntu-latest)	32s
test / Test (21, windows-latest)	1m 14s
test / Automerge Dependabot PRs	0s
	10m 5s

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