Accessibility suppport for MultiComboItem

src/Ursa/Controls/ComboBox/MultiComboBoxItem.cs

@@ -1,4 +1,5 @@
 using Avalonia;
+using Avalonia.Automation.Peers;
 using Avalonia.Controls;
 using Avalonia.Controls.Mixins;
 using Avalonia.Input;
@@ -112,4 +113,8 @@ public class MultiComboBoxItem: ContentControl
         }
         _updateInternal = false;
     }
+    protected override AutomationPeer OnCreateAutomationPeer()
+    {
+        return new ListItemAutomationPeer(this);
+    }
 }