EQL: Add back boxing of sub-queries (#66760)

A previous commit removed the boxing of secondary queries; this commit
reverts that.

(cherry picked from commit 5b073d4)

Author: costin

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

@@ -371,6 +371,8 @@ private void secondaryCriterion(WindowInfo window, int currentStage, ActionListe
         Criterion<BoxedQueryRequest> criterion = criteria.get(currentStage);
         BoxedQueryRequest request = criterion.queryRequest();
 
+        boxQuery(window, criterion);
+
         log.trace("Querying (secondary) stage [{}] {}", criterion.stage(), request);
 
         client.query(request, wrap(r -> {