Stop use of deprecated method

Author: ivarne

src/Altinn.App.Core/Features/Telemetry/TelemetryActivityExtensions.cs

@@ -345,6 +345,9 @@ internal static Activity SetProblemDetails(this Activity activity, ProblemDetail
     internal static void Errored(this Activity activity, Exception? exception = null, string? error = null)
     {
         activity.SetStatus(ActivityStatusCode.Error, error);
-        activity.RecordException(exception);
+        if(exception is not null)
+        {
+            activity.AddException(exception);
+        }
     }
 }