quic: For streams allow ReadableStream as body #1208

Job	Run time
Build slim tarball	1m 32s
aarch64-linux: with shared libraries	25m 22s
x86_64-darwin: with shared libraries	42m 10s
aarch64-darwin: with shared libraries	26m 39s
x86_64-linux: with shared libraries	29m 31s
	2h 5m 14s

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