Fix the wrong sortN condition (#4784)

oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/query/input/TopNCondition.java

@@ -43,7 +43,7 @@ public class TopNCondition {
      * Normal service is the service having installed agent or metrics reported directly. Unnormal service is
      * conjectural service, usually detected by the agent.
      */
-    private boolean isNormal;
+    private boolean normal;
     /**
      * Indicate the metrics entity scope. Because this is a top list, don't need to set the Entity like the
      * MetricsCondition. Only accept scope = {@link Scope#Service} {@link Scope#ServiceInstance} and {@link

query-protocol @ 459f78b9

-Subproject commit 9d5bb7c97a5b653babe157e0360fee6bdf30c045
+Subproject commit 459f78b95168a4d17acae03e892b17bc78f8f4e5