add style overrides for other page types (#20985)

Author: emmauss

src/Avalonia.Controls/Page/CarouselPage.cs

@@ -1,6 +1,6 @@
+using System;
 using System.Collections;
 using System.Collections.Generic;
-using System.Linq;
 using Avalonia.Animation;
 using Avalonia.Automation;
 using Avalonia.Automation.Peers;
@@ -11,7 +11,6 @@
 using Avalonia.Controls.Templates;
 using Avalonia.Input;
 using Avalonia.Interactivity;
-using Avalonia.Media;
 using Avalonia.Threading;
 
 namespace Avalonia.Controls
@@ -111,6 +110,8 @@ public bool IsKeyboardNavigationEnabled
             set => SetValue(IsKeyboardNavigationEnabledProperty, value);
         }
 
+        protected override Type StyleKeyOverride => typeof(CarouselPage);
+
         protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
         {
             base.OnApplyTemplate(e);

src/Avalonia.Controls/Page/DrawerPage.cs

@@ -535,6 +535,8 @@ public SplitViewDisplayMode DisplayMode
             set => SetValue(DisplayModeProperty, value);
         }
 
+        protected override Type StyleKeyOverride => typeof(DrawerPage);
+
         protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
         {
             base.OnApplyTemplate(e);

src/Avalonia.Controls/Page/NavigationPage.cs

@@ -1,20 +1,18 @@
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
 using Avalonia.Animation;
 using Avalonia.Automation;
 using Avalonia.Automation.Peers;
 using Avalonia.Controls.Metadata;
-using Avalonia.Logging;
-using Avalonia.LogicalTree;
 using Avalonia.Controls.Presenters;
 using Avalonia.Controls.Primitives;
-using Avalonia.Controls.Shapes;
 using Avalonia.Input;
 using Avalonia.Input.GestureRecognizers;
 using Avalonia.Interactivity;
+using Avalonia.Logging;
+using Avalonia.LogicalTree;
 using Avalonia.Media;
 using Avalonia.Metadata;
 using Avalonia.Reactive;
@@ -619,6 +617,8 @@ private Button? BackButton
             }
         }
 
+        protected override Type StyleKeyOverride => typeof(NavigationPage);
+
         protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
         {
             if (change.Property == PagesProperty &&

src/Avalonia.Controls/Page/TabbedPage.cs

@@ -9,7 +9,6 @@
 using Avalonia.Controls.Templates;
 using Avalonia.Input;
 using Avalonia.Input.GestureRecognizers;
-using Avalonia.LogicalTree;
 using Avalonia.Threading;
 
 namespace Avalonia.Controls
@@ -150,6 +149,8 @@ public IDataTemplate? IndicatorTemplate
             set => SetValue(IndicatorTemplateProperty, value);
         }
 
+        protected override Type StyleKeyOverride => typeof(TabbedPage);
+
         protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
         {
             base.OnAttachedToVisualTree(e);