stream: fix decoded fromList chunk boundary check #3491

Job	Run time
Build slim tarball	3m 5s
x86_64-darwin: with shared libraries	36m 49s
aarch64-darwin: with shared libraries	25m 32s
x86_64-linux: with shared libraries	22m 34s
aarch64-linux: with shared libraries	18m 44s
	1h 46m 44s

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