fix(docs): prevent deadlocks with streams returned from docs actor #8486

Job	Run time
Build wasm32	29s
Checking fmt	7s
check_semver	4m 37s
Cross Test (i686-unknown-linux-gnu)	2m 32s
Cross Build Only (armv7-linux-androideabi)	1m 2s
Cross Build Only (aarch64-linux-android)	1m 2s
Cross Build Only (x86_64-unknown-freebsd)	1m 7s
cargo deny	32s
Checking docs	1m 3s
Cross Build Only (x86_64-unknown-netbsd)	1m 9s
clippy_check	2m 55s
Run network simulations/benchmarks	8m 8s
Minimal Supported Rust Version	1m 13s
CI Test Suite / Tests (ubuntu-latest, stable, all)	2m 41s
CI Test Suite / Tests (ubuntu-latest, stable, none)	38s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	3m 51s
CI Test Suite / Tests (ubuntu-latest, stable, default)	2m 19s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	3m 55s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	3m 14s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	3m 51s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	51s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	3m 4s
	50m 20s

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