refactor(iroh-net): Improve magicsock module visibility #8639

Job	Run time
Cross Build Only (armv7-linux-androideabi)	1m 8s
Cross Test (i686-unknown-linux-gnu)	2m 33s
Cross Build Only (aarch64-linux-android)	1m 7s
Checking fmt	14s
Cross Build Only (x86_64-unknown-freebsd)	1m 14s
Cross Build Only (x86_64-unknown-netbsd)	1m 8s
Checking docs	1m 20s
Build wasm32	37s
check_semver	4m 42s
cargo deny	27s
clippy_check	3m 12s
Minimal Supported Rust Version	1m 47s
Run network simulations/benchmarks	9m 10s
CI Test Suite / Tests (ubuntu-latest, stable, all)	3m 18s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	3m 52s
CI Test Suite / Tests (ubuntu-latest, stable, none)	3m 35s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	3m 52s
CI Test Suite / Tests (ubuntu-latest, stable, default)	3m 15s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	3m 40s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	3m 54s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	3m 3s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	3m 41s
	1h 0m 49s

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