restore zero-copy recv on shell messages (#1280) #2615

Job	Run time
test_docs	42s
build (ubuntu-latest, 3.9)	3m 21s
check_release	1m 49s
build (ubuntu-latest, 3.13)	3m 46s
link_check	3m 45s
Make SDist	25s
build (windows-latest, 3.9)	10m 35s
build (windows-latest, 3.13)	10m 50s
Test Lint	1m 10s
Test Minimum Versions	2m 18s
build (macos-latest, 3.9)	5m 37s
Test Prereleases	2m 2s
build (macos-latest, 3.13)	6m 15s
test_without_debugpy (ubuntu-latest, 3.9)	1m 56s
build (ubuntu-latest, pypy-3.9)	3m 17s
build (macos-latest, 3.10)	5m 37s
build (ubuntu-latest, 3.11)	3m 16s
build (ubuntu-latest, 3.12)	3m 32s
Install from SDist and Test	2m 8s
coverage	12s
tests_check	4s
	1h 12m 37s

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