Windows modal key bubbling fix

src/GuiApp/Avalonia/FileTime.GuiApp/Views/MainWindow.axaml.cs

@@ -1,7 +1,9 @@
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Input;
-using FileTime.App.Core.UserCommand;
+using DynamicData;
+using FileTime.App.Core.Services;
+using FileTime.App.Core.ViewModels;
 using FileTime.Core.Models;
 using FileTime.GuiApp.Models;
 using FileTime.GuiApp.ViewModels;
@@ -13,6 +15,8 @@ namespace FileTime.GuiApp.Views;
 public partial class MainWindow : Window
 {
     private readonly ILogger<MainWindow>? _logger;
+    private readonly IModalService _modalService;
+    private IReadOnlyCollection<IModalViewModelBase>? _openModals;
 
     public MainWindowViewModel? ViewModel
     {
@@ -30,6 +34,8 @@ public partial class MainWindow : Window
     {
         _logger = DI.ServiceProvider.GetService<ILogger<MainWindow>>();
         _logger?.LogInformation($"Starting {nameof(MainWindow)} initialization...");
+        _modalService = DI.ServiceProvider.GetRequiredService<IModalService>();
+        _modalService.OpenModals.ToCollection().Subscribe(m => _openModals = m);
         InitializeComponent();
     }
 
@@ -45,6 +51,7 @@ public partial class MainWindow : Window
 
     private void OnKeyDown(object sender, KeyEventArgs e)
     {
+        if ((_openModals?.Count ?? 0) > 0) return;
         ViewModel?.ProcessKeyDown(e.Key, e.KeyModifiers, h => e.Handled = h);
     }