quic: For streams allow ReadableStream as body #1197

Job	Run time
Build slim tarball	1m 33s
aarch64-darwin: with shared libraries	30m 32s
aarch64-linux: with shared libraries	26m 24s
x86_64-linux: with shared libraries	33m 1s
x86_64-darwin: with shared libraries	44m 50s
	2h 16m 20s

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