Fix logger prefix for partition session log events

Author: pnv1

topic/src/main/java/tech/ydb/topic/read/impl/PartitionSessionImpl.java

@@ -83,8 +83,8 @@ public long getId() {
         return id;
     }
 
-    public long getFullId() {
-        return id;
+    public String getFullId() {
+        return fullId;
     }
 
     public long getPartitionId() {

topic/src/main/java/tech/ydb/topic/read/impl/ReaderImpl.java

@@ -402,6 +402,7 @@ private void onStartPartitionSessionRequest(YdbTopic.StreamReadMessage.StartPart
                     .setId(partitionSessionId)
                     .setFullId(partitionSessionFullId)
                     .setTopicPath(request.getPartitionSession().getPath())
+                    .setConsumerName(consumerName)
                     .setPartitionId(partitionId)
                     .setCommittedOffset(request.getCommittedOffset())
                     .setPartitionOffsets(new OffsetsRangeImpl(request.getPartitionOffsets().getStart(),