chore(server): Refactor TcpIncoming #3701

Job	Run time
cargo-deny check	24s
codegen	12s
clippy	27s
check (ubuntu-latest)	1m 32s
Interop Tests (ubuntu-latest)	25s
Interop Tests (macOS-latest)	35s
check (macOS-latest)	1m 23s
Interop Tests (windows-latest)	2m 12s
check (windows-latest)	2m 10s
rustfmt	6s
Check MSRV	29s
semver	1m 7s
Check unused dependencies	4m 5s
test (ubuntu-latest)	1s
test (macOS-latest)	46s
check-external-types	32s
test (windows-latest)	45s
	17m 11s

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