Fixed logicalchildren of ButtonStrip

InABox.Avalonia/Components/ButtonStrip/ButtonStrip.cs

@@ -50,7 +50,7 @@ public partial class ButtonStrip : TemplatedControl
     public ObservableCollection<ButtonStripItem> Items
     {
         get => GetValue(ItemsProperty);
-        private set => SetValue(ItemsProperty, value);
+        set => SetValue(ItemsProperty, value);
     }
 
     public ButtonStripItem? SelectedItem
@@ -67,6 +67,26 @@ public partial class ButtonStrip : TemplatedControl
 
     public event EventHandler SelectionChanged;
 
+    static ButtonStrip()
+    {
+        ItemsProperty.Changed.AddClassHandler<ButtonStrip>(Items_Changed);
+    }
+
+    private static void Items_Changed(ButtonStrip strip, AvaloniaPropertyChangedEventArgs args)
+    {
+        strip.LogicalChildren.Clear();
+        if (strip.Items is not null)
+        {
+            strip.SelectedItem = strip.Items.FirstOrDefault();
+
+            strip.LogicalChildren.AddRange(strip.Items);
+            foreach(var item in strip.Items)
+            {
+                item.Command = strip.ItemSelectedCommand;
+            }
+        }
+    }
+
     public ButtonStrip()
     {
         Items = new();