reverted change to useTrace

Author: bachuv

src/WebJobs.Extensions.DurableTask/EventGridLifeCycleNotificationHelper.cs

@@ -68,11 +68,11 @@ public EventGridLifeCycleNotificationHelper(
             }
 
             if (!string.IsNullOrEmpty(this.eventGridTopicEndpoint))
-            {
-                this.useTrace = true;
-
+            {
                 if (!string.IsNullOrEmpty(eventGridNotificationsConfig.KeySettingName) || this.useManagedIdentity == true)
-                {
+                {
+                    this.useTrace = true;
+
                     var retryStatusCode = eventGridNotificationsConfig.PublishRetryHttpStatus?
                                               .Where(x => Enum.IsDefined(typeof(HttpStatusCode), x))
                                               .Select(x => (HttpStatusCode)x)