Move sendPlan out of critical section

sendPlan doesn't have to be in critical
section since it's atomic and sending of
plan is idempotent.

core/trino-main/src/main/java/io/trino/server/remotetask/HttpRemoteTask.java

@@ -920,10 +920,10 @@ public void success(TaskInfo value)
                     sentDynamicFiltersVersion.set(currentRequestDynamicFiltersVersion);
                     // Remove dynamic filters which were successfully sent to free up memory
                     outboundDynamicFiltersCollector.acknowledge(currentRequestDynamicFiltersVersion);
+                    sendPlan.set(value.isNeedsPlan());
                     long currentRequestStartNanos;
                     synchronized (HttpRemoteTask.this) {
                         currentRequest = null;
-                        sendPlan.set(value.isNeedsPlan());
                         currentRequestStartNanos = HttpRemoteTask.this.currentRequestStartNanos;
                     }
                     updateStats(currentRequestStartNanos);