Don't answer peers with a low reputation (#9008)

* Init architecture for not answering peers with a low reputation

* Get reputation inside of RequestResponsesBehaviour::poll

* Filter reputation in RequestResponsesBehaviour

* Pass PeersetHandle to RequestResponsesBehaviour

* Add more docs

* Fix tests compilation

* Fix compiler warnings (still FIXME)

* Fix tests

* Fmt code

substrate/client/network/src/service.rs

@@ -355,6 +355,7 @@ impl<B: BlockT + 'static, H: ExHashT> NetworkWorker<B, H> {
 					bitswap,
 					params.light_client_request_protocol_config,
 					params.network_config.request_response_protocols,
+					peerset_handle.clone(),
 				);
 
 				match result {