chore(reflection): Refactor ServerReflectionInfoStream (#2146) #3959

Job	Run time
deny	16s
clippy	1m 4s
codegen	23s
check (ubuntu-latest)	3m 12s
external-types	27s
Interop Tests (ubuntu-latest)	43s
check (macOS-latest)	3m 37s
Interop Tests (macOS-latest)	35s
msrv	52s
check (windows-latest)	6m 0s
rustfmt	13s
Interop Tests (windows-latest)	3m 3s
test (ubuntu-latest)	2m 40s
udeps	3m 43s
test (macOS-latest)	3m 7s
semver	1m 6s
test (windows-latest)	6m 42s
	37m 43s

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