perf(ws): prevent deep copy of message data #275

Job	Run time
musllinux (ubuntu-22.04, aarch64-unknown-linux-musl)	9m 27s
musllinux (ubuntu-22.04, x86_64-unknown-linux-musl)	8m 42s
musllinux (ubuntu-22.04, i686-unknown-linux-musl)	9m 49s
musllinux (ubuntu-22.04, armv7-unknown-linux-musleabihf)	9m 1s
tests	2m 6s
manylinux (ubuntu-20.04, x86_64)	16m 48s
windows (windows-latest, x64, x64)	16m 50s
windows (windows-latest, x86, x86)	17m 22s
style	1m 41s
macos (macos-13, x86_64)	13m 54s
manylinux (ubuntu-20.04, armv7, crossbuild-essential-armhf, arm-linux-gnueabihf-gcc, arm-linux-gn...	9m 30s
macos (macos-14, aarch64)	7m 17s
manylinux (ubuntu-20.04, x86, crossbuild-essential-i386, i686-linux-gnu-gcc, i686-linux-gnu-g++, ...	9m 37s
windows (windows-latest, aarch64)	17m 24s
sdist	12s
manylinux (ubuntu-20.04, aarch64, crossbuild-essential-arm64, aarch64-linux-gnu-gcc, aarch64-linu...	9m 52s
Release	0s
	2h 39m 32s

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