Merge branch 'master' into enable-trimming

src/Avalonia.Base/Input/Platform/PlatformHotkeyConfiguration.cs

@@ -20,7 +20,8 @@ namespace Avalonia.Input.Platform
             WholeWordTextActionModifiers = wholeWordTextActionModifiers;
             Copy = new List<KeyGesture>
             {
-                new KeyGesture(Key.C, commandModifiers)
+                new KeyGesture(Key.C, commandModifiers),
+                new KeyGesture(Key.Insert, KeyModifiers.Control)
             };
             Cut = new List<KeyGesture>
             {
@@ -28,7 +29,8 @@ namespace Avalonia.Input.Platform
             };
             Paste = new List<KeyGesture>
             {
-                new KeyGesture(Key.V, commandModifiers)
+                new KeyGesture(Key.V, commandModifiers),
+                new KeyGesture(Key.Insert, KeyModifiers.Shift)
             };
             Undo = new List<KeyGesture>
             {

src/Avalonia.Controls/Notifications/WindowNotificationManager.cs

@@ -146,7 +146,11 @@ namespace Avalonia.Controls.Notifications
         {
             var adornerLayer = host.FindDescendantOfType<VisualLayerManager>()?.AdornerLayer;
 
-            adornerLayer?.Children.Add(this);
+            if (adornerLayer is not null)
+            {
+                adornerLayer.Children.Add(this);
+                AdornerLayer.SetAdornedElement(this, adornerLayer);
+            }
         }
 
         private void UpdatePseudoClasses(NotificationPosition position)