stream: deprecate legacy prependListener fallback #4990

Job	Run time
Build slim tarball	2m 3s
x86_64-darwin: with shared libraries	40m 32s
aarch64-darwin: with shared libraries	21m 33s
x86_64-linux: with shared libraries	23m 50s
aarch64-linux: with shared libraries	20m 10s
	1h 48m 8s

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