Fix EQL double invoking listener

We need to break out early here, otherwise we double resolve the
listener in the following code potentially.

Author: original-brownbear

x-pack/plugin/eql/src/main/java/org/elasticsearch/xpack/eql/execution/sequence/TumblingWindow.java

@@ -171,6 +171,7 @@ public void execute(ActionListener<Payload> listener) {
     private void tumbleWindow(int currentStage, ActionListener<Payload> listener) {
         if (allowPartialSequenceResults == false && shardFailures.isEmpty() == false) {
             doPayload(listener);
+            return;
         }
         if (currentStage > matcher.firstPositiveStage && matcher.hasCandidates() == false) {
             if (restartWindowFromTailQuery) {