Per request latency onPhaseEnd fix (#10934) (#11218)

Signed-off-by: David Zane <davizane@amazon.com>
(cherry picked from commit 379acf3)

Signed-off-by: David Z <38449481+dzane17@users.noreply.github.com>

CHANGELOG.md

@@ -63,6 +63,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ### Fixed
 - Fix class_cast_exception when passing int to _version and other metadata fields in ingest simulate API ([#10101](https://github.com/opensearch-project/OpenSearch/pull/10101))
+- Fix per request latency last phase not tracked ([#10934](https://github.com/opensearch-project/OpenSearch/pull/10934))
 - Adding version condition while adding geoshape doc values to the index, to ensure backward compatibility.([#11095](https://github.com/opensearch-project/OpenSearch/pull/11095))
 - Fix SuggestSearch.testSkipDuplicates by forcing refresh when indexing its test documents ([#11068](https://github.com/opensearch-project/OpenSearch/pull/11068))
 

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);
     }