Fix service_relation source layer in mq entry span analyse (#13473)

Author: weixiang1862

docs/en/changes/changes.md

@@ -92,6 +92,7 @@
 * BanyanDB: remove `@StoreIDAsTag`, and automatically create a virtual String tag `id` for the SeriesID in `IndexMode`.
 * Remove method `appendMutant` from StorageID.
 * Fix otlp log handler reponse error and otlp span convert error.
+* Fix service_relation source layer in mq entry span analyse.
 
 #### UI
 

oap-server/analyzer/agent-analyzer/src/main/java/org/apache/skywalking/oap/server/analyzer/provider/trace/parser/listener/RPCAnalysisListener.java

@@ -131,7 +131,7 @@ public void parseEntry(SpanObject span, SegmentObject segmentObject) {
             sourceBuilder.setSourceServiceName(span.getPeer());
             sourceBuilder.setSourceServiceInstanceName(span.getPeer());
             sourceBuilder.setDestEndpointName(span.getOperationName());
-            sourceBuilder.setSourceLayer(Layer.MQ);
+            sourceBuilder.setSourceLayer(Layer.VIRTUAL_MQ);
             sourceBuilder.setDestServiceInstanceName(segmentObject.getServiceInstance());
             sourceBuilder.setDestServiceName(segmentObject.getService());
             sourceBuilder.setDestLayer(identifyServiceLayer(span.getSpanLayer()));