Merge pull request #5295 from AvaloniaUI/fix-combobox-inside-of-popup

Enable light dismiss overlay for popups 2

src/Avalonia.Controls/Primitives/VisualLayerManager.cs

@@ -67,8 +67,6 @@ namespace Avalonia.Controls.Primitives
         {
             get
             {
-                if (IsPopup)
-                    return null;
                 var rv = FindLayer<LightDismissOverlayLayer>();
                 if (rv == null)
                 {

src/Avalonia.Themes.Default/MenuItem.xaml

@@ -60,6 +60,7 @@
             <Popup Name="PART_Popup"
                    PlacementMode="Right"
                    IsLightDismissEnabled="True"
+                   OverlayInputPassThroughElement="{Binding $parent[MenuItem]}"
                    IsOpen="{TemplateBinding IsSubMenuOpen, Mode=TwoWay}">
               <Border Background="{TemplateBinding Background}"
                       BorderBrush="{DynamicResource ThemeBorderMidBrush}"

src/Avalonia.Themes.Fluent/Controls/MenuItem.xaml

@@ -112,6 +112,7 @@
           <Popup Name="PART_Popup"
                  WindowManagerAddShadowHint="False"
                  PlacementMode="Right"
+                 OverlayInputPassThroughElement="{Binding $parent[MenuItem]}"
                  HorizontalOffset="{DynamicResource MenuFlyoutSubItemPopupHorizontalOffset}"
                  IsLightDismissEnabled="True"
                  IsOpen="{TemplateBinding IsSubMenuOpen, Mode=TwoWay}">