Renamed InstalledPackages and set on load

StabilityMatrix/LaunchPage.xaml

@@ -34,7 +34,7 @@
                 Margin="10,10,0,0"/>
             <ComboBox
                 x:Name="SelectPackageComboBox"
-                ItemsSource="{Binding Packages}"
+                ItemsSource="{Binding InstalledPackages}"
                 SelectedValue="{Binding SelectedPackage}"
                 Grid.Row="0" Grid.Column="1"
                 HorizontalAlignment="Stretch"

StabilityMatrix/LaunchPage.xaml.cs

@@ -18,5 +18,6 @@ public sealed partial class LaunchPage : Page
     private void LaunchPage_OnLoaded(object sender, RoutedEventArgs e)
     {
         viewModel.OnLoaded();
+        SelectPackageComboBox.ItemsSource = viewModel.InstalledPackages;
     }
 }

StabilityMatrix/ViewModels/LaunchViewModel.cs

@@ -41,7 +41,7 @@ public partial class LaunchViewModel : ObservableObject
         }
     }
 
-    public ObservableCollection<InstalledPackage> Packages => new();
+    public ObservableCollection<InstalledPackage> InstalledPackages = new();
 
     public LaunchViewModel(ISettingsManager settingsManager)
     {
@@ -109,7 +109,7 @@ public partial class LaunchViewModel : ObservableObject
         
         foreach (var package in packages)
         {
-            Packages.Add(package);
+            InstalledPackages.Add(package);
         }
     }
 }