Fix window blink issue

Author: Jack251970

Flow.Launcher/App.xaml.cs

@@ -182,6 +182,9 @@ await API.StopwatchLogInfoAsync(ClassName, "Startup cost", async () =>
                 Current.MainWindow = _mainWindow;
                 Current.MainWindow.Title = Constant.FlowLauncher;
 
+                // Initialize hotkey mapper instantly after main window is created because it will steal focus from main window
+                HotKeyMapper.Initialize();
+
                 // main windows needs initialized before theme change because of blur settings
                 Ioc.Default.GetRequiredService<Theme>().ChangeTheme();
 

Flow.Launcher/MainWindow.xaml.cs

@@ -16,7 +16,6 @@
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Flow.Launcher.Core.Plugin;
 using Flow.Launcher.Core.Resource;
-using Flow.Launcher.Helper;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Hotkey;
 using Flow.Launcher.Infrastructure.Image;
@@ -174,9 +173,6 @@ private async void OnLoaded(object sender, RoutedEventArgs _)
             // Set the initial state of the QueryTextBoxCursorMovedToEnd property
             // Without this part, when shown for the first time, switching the context menu does not move the cursor to the end.
             _viewModel.QueryTextCursorMovedToEnd = false;
-            
-            // Initialize hotkey mapper after window is loaded
-            HotKeyMapper.Initialize();
 
             // View model property changed event
             _viewModel.PropertyChanged += (o, e) =>