[Fix] Update CommandBarFlyou Style

updated command bar flyout and appbar button style to be more like the winui counterparts

minor test

minor test

Author: mou-haz

source/iNKORE.UI.WPF.Modern.Controls/Controls/Windows/CommandBar/AppBarButton.cs

@@ -389,6 +389,7 @@ private void UpdateVisualState(bool useTransitions = true)
             UpdateCommonState(useTransitions);
             UpdateKeyboardAcceleratorTextVisibility(useTransitions);
             UpdateFlyoutState(useTransitions);
+            UpdatePrimaryLabelState(useTransitions);
         }
 
         private void UpdateCommonState(bool useTransitions = true)
@@ -444,6 +445,12 @@ private void UpdateFlyoutState(bool useTransitions = true)
             VisualStateManager.GoToState(this, hasFlyout ? "HasFlyout" : "NoFlyout", useTransitions);
         }
 
+        private void UpdatePrimaryLabelState(bool useTransitions = true)
+        {
+            bool hasPrimaryLabel = !IsInOverflow && Label is not null;
+            VisualStateManager.GoToState(this, hasPrimaryLabel ? "HasPrimaryLabels" : "NoPrimaryLabels", useTransitions);
+        }
+
         private AppBarElementVisualStateManager _vsm;
     }
 

source/iNKORE.UI.WPF.Modern.Controls/Controls/Windows/CommandBarFlyout/CommandBarFlyout.cs

@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License. See LICENSE in the project root for license information.
 
+using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Collections.Specialized;
@@ -141,7 +142,7 @@ public CommandBarFlyout()
 
             Opening += delegate
             {
-                InternalPopup.SuppressFadeAnimation = true;
+                //InternalPopup.SuppressFadeAnimation = true;
 
                 if (ShowMode == FlyoutShowMode.Standard)
                 {