Don't enable tracing unless the profiler is enabled

Author: nicolas-grekas

Debug/TraceableEventDispatcher.php

@@ -43,6 +43,7 @@ public function __construct(
         protected Stopwatch $stopwatch,
         protected ?LoggerInterface $logger = null,
         private ?RequestStack $requestStack = null,
+        protected readonly ?\Closure $disabled = null,
     ) {
     }
 
@@ -103,6 +104,9 @@ public function hasListeners(?string $eventName = null): bool
 
     public function dispatch(object $event, ?string $eventName = null): object
     {
+        if ($this->disabled?->__invoke()) {
+            return $this->dispatcher->dispatch($event, $eventName);
+        }
         $eventName ??= $event::class;
 
         $this->callStack ??= new \SplObjectStorage();