Remove unnecessary whitespace in Flowchart.cs to improve code formatting

Author: sfmskywalker

src/modules/Elsa.Workflows.Core/Activities/Flowchart/Activities/Flowchart.cs

@@ -102,7 +102,7 @@ private ValueTask OnActivityCanceledAsync(CancelSignal signal, SignalContext con
             () => OnTokenFlowActivityCanceledAsync(signal, context),
             () => OnCounterFlowActivityCanceledAsync(signal, context));
     }
-    
+
     private async Task CompleteIfNoPendingWorkAsync(ActivityExecutionContext context)
     {
         var hasPendingWork = HasPendingWork(context);