busy indicator updated for offline data

Author: VimalaThirumalaikumar

ChartGeneratorAISample/ChartGenerator/View/DesktopUI.xaml

@@ -46,8 +46,8 @@
                              >
                         </Editor>
 
-                        <core:SfBusyIndicator IsVisible="{Binding IsLoading}"
-                                              IsRunning="True"
+                        <core:SfBusyIndicator IsRunning="{Binding IsLoading}"
+                                              IsVisible="{Binding IsLoading}"
                                               AnimationType="SingleCircle"
     />
                     </Grid>

ChartGeneratorAISample/ChartGenerator/ViewModel/ChartViewModel.cs

@@ -177,6 +177,7 @@ private async void OnCreateButtonClicked()
                 }
                 else
                 {
+                    await Task.Delay(500);
                     CreateOfflineChart(EntryText);
                     AssistItem message = new() { Text = "Currently in offline mode...", ShowAssistItemFooter = false };
                     Messages.Add(message);