Fix window not minimizing on startup

src/InvLock/MainWindow.xaml

@@ -19,6 +19,7 @@
     WindowCornerPreference="Round"
     WindowStartupLocation="CenterScreen"
     WindowState="Minimized"
+    ShowInTaskbar="False"
     Loaded="Window_Loaded"
     Closing="FluentWindow_Closing"
     Closed="FluentWindow_Closed"

src/InvLock/MainWindow.xaml.cs

@@ -51,8 +51,6 @@ public partial class MainWindow : FluentWindow
 
     private void Window_Loaded(object sender, RoutedEventArgs e)
     {
-        Close();
-
         lockWindow = new LockWindow(mainWindowDataContext.Settings);
         lockWindow.Show();
     }