Update execution info at end of planning before kicking off execution phase (#115127)

The revised took time model bug fix #115017
introduced a new bug that allows a race condition between updating the execution info with
"end of planning" timestamp and using that timestamp during execution.

This one line fix reverses the order to ensure the planning phase execution update occurs
before starting the ESQL query execution phase.

Author: quux00

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/session/EsqlSession.java

@@ -162,8 +162,8 @@ public void executeOptimizedPlan(
     ) {
         LogicalPlan firstPhase = Phased.extractFirstPhase(optimizedPlan);
         if (firstPhase == null) {
-            runPhase.accept(logicalPlanToPhysicalPlan(optimizedPlan, request), listener);
             updateExecutionInfoAtEndOfPlanning(executionInfo);
+            runPhase.accept(logicalPlanToPhysicalPlan(optimizedPlan, request), listener);
         } else {
             executePhased(new ArrayList<>(), optimizedPlan, request, executionInfo, firstPhase, runPhase, listener);
         }