Use `BytesStream` inside `Transport` trait #3824

Job	Run time
Additional Builds and Concurrency Tests	7m 58s
sanitize (address)	4m 29s
sanitize (address, multi-threading)	4m 22s
Basic Checks	7m 27s
Measure coverage	9m 50s
sanitize (leak)	3m 12s
sanitize (leak, multi-threading)	4m 18s
miri	2m 35s
Release builds and tests	4m 32s
	48m 43s

Provide feedback