Per request latency onPhaseEnd fix

Signed-off-by: David Zane <[email protected]>

Author: dzane17

server/src/main/java/org/opensearch/action/search/AbstractSearchAsyncAction.java

@@ -696,9 +696,9 @@ public void sendSearchResponse(InternalSearchResponse internalSearchResponse, At
                     searchContextId = null;
                 }
             }
+            onPhaseEnd();
             listener.onResponse(buildSearchResponse(internalSearchResponse, failures, scrollId, searchContextId));
         }
-        onPhaseEnd();
         setCurrentPhase(null);
     }