Include changes that were left out

Signed-off-by: Charles d'Avernas <charles.davernas@neuroglia.io>

Author: cdavernas

src/operator/Synapse.Operator/Services/WorkflowInstanceController.cs

@@ -60,7 +60,7 @@ public override async Task StartAsync(CancellationToken cancellationToken)
         await base.StartAsync(cancellationToken).ConfigureAwait(false);
         this.Operator!.Select(b => b.Resource.Spec.Selector).SubscribeAsync(this.OnResourceSelectorChangedAsync, cancellationToken: cancellationToken);
         await this.OnResourceSelectorChangedAsync(this.Operator!.Resource.Spec.Selector).ConfigureAwait(false);
-        if (this.Operator?.Resource?.Spec?.Cleanup != null)_ = Task.Run(() => this.CleanupAsync(), CancellationTokenSource.Token);
+        if (this.Operator?.Resource?.Spec?.Cleanup != null)_ = Task.Run(this.CleanupAsync, CancellationTokenSource.Token);
     }
 
     /// <inheritdoc/>