Merge pull request #3389 from Flow-Launcher/show_hide_performance

Remove useless delay

Author: Jack251970

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -1458,7 +1458,8 @@ await Application.Current.Dispatcher.InvokeAsync(() =>
                     mainWindow.ClockPanel.Opacity = opacity;
                     mainWindow.SearchIcon.Opacity = opacity;
 
-                    if (QueryText.Length != 0)
+                    // QueryText sometimes is null when it is just initialized
+                    if (QueryText != null && QueryText.Length != 0)
                     {
                         mainWindow.ClockPanel.Visibility = Visibility.Collapsed;
                     }
@@ -1554,8 +1555,6 @@ await Application.Current.Dispatcher.InvokeAsync(() =>
                 Win32Helper.RestorePreviousKeyboardLayout();
             }
 
-            await Task.Delay(50);
-
             // Update WPF properties
             //MainWindowOpacity = 0;
             MainWindowVisibilityStatus = false;