fix(consensus): allow StreamHandler.inbound_send to get self argument #8314

Job	Run time
executable-run	5m 40s
executable-run-no-rpc	5m 40s
build-papyrus-utilities-image	17s
integration-test	5m 40s
test-no-rpc	4m 30s
random-table-test	1m 26s
	23m 13s

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