fix(adapter): memory leaks

[cherviakovtaskworld]

Resource	Created	Cleaned Up	Method
requests Map entries	On request	timeout / response / close()	✅
ackRequests Map entries	On broadcastWithAck	timeout / close()	✅
redisListeners Map	Constructor	close()	✅
Request timeouts	On request	response / close()	✅
Ack timeouts	On broadcastWithAck	close()	✅
Redis subscriptions (v4)	Constructor	close()	✅
Redis listeners (v3)	Constructor	close()	✅
"smessageBuffer" listener	SSUBSCRIBE	SUNSUBSCRIBE (when empty)	✅
kHandlers Map	SSUBSCRIBE	SUNSUBSCRIBE (when empty)	✅
create-room listener	ShardedAdapter ctor	ShardedAdapter close()	✅
delete-room listener	ShardedAdapter ctor	ShardedAdapter close()	✅