Init counter for pqv0 read session (24-3-11-hotfix) (#11000)

Author: qyryq

ydb/services/deprecated/persqueue_v0/grpc_pq_read_actor.cpp

@@ -897,6 +897,8 @@ void TReadSessionActor::SetupTopicCounters(const TTopicConverterPtr& topic)
     topicCounters.Errors                 = NKikimr::NPQ::TMultiCounter(subGroup, aggr, cons, {"PartitionsErrors"}, true);
     topicCounters.Commits                = NKikimr::NPQ::TMultiCounter(subGroup, aggr, cons, {"Commits"}, true);
     topicCounters.WaitsForData           = NKikimr::NPQ::TMultiCounter(subGroup, aggr, cons, {"WaitsForData"}, true);
+
+    SetupBytesReadByUserAgentCounter();
 }
 
 void TReadSessionActor::SetupTopicCounters(const TTopicConverterPtr& topic, const TString& cloudId,
@@ -915,6 +917,8 @@ void TReadSessionActor::SetupTopicCounters(const TTopicConverterPtr& topic, cons
     topicCounters.PartitionsInfly        = NKikimr::NPQ::TMultiCounter(subGroup, {}, subgroups, {"api.grpc.topic.stream_read.partition_session.count"}, false, "name");
     topicCounters.Errors                 = NKikimr::NPQ::TMultiCounter(subGroup, {}, subgroups, {"api.grpc.topic.stream_read.partition_session.errors"}, true, "name");
     topicCounters.Commits                = NKikimr::NPQ::TMultiCounter(subGroup, {}, subgroups, {"api.grpc.topic.stream_read.commits"}, true, "name");
+
+    SetupBytesReadByUserAgentCounter();
 }
 
 void TReadSessionActor::Handle(V1::TEvPQProxy::TEvAuthResultOk::TPtr& ev, const TActorContext& ctx) {