Code Quality: Use ControlCornerRadius (#14075)

Author: hishitetsu

src/Files.App/Helpers/MenuFlyout/ItemModelListToContextFlyoutHelper.cs

@@ -91,7 +91,6 @@ private static MenuFlyoutItemBase GetMenuFlyoutItem(ContextMenuFlyoutItemViewMod
 				if (item.BitmapIcon is not null)
 				{
 					flyoutSubItem.Style = App.Current.Resources["MenuFlyoutSubItemWithImageStyle"] as Style;
-					flyoutSubItem.CornerRadius = new(4);
 					try
 					{
 						MenuFlyoutSubItemCustomProperties.SetBitmapIcon(flyoutSubItem, item.BitmapIcon);
@@ -125,7 +124,6 @@ private static MenuFlyoutItemBase GetItem(ContextMenuFlyoutItemViewModel i)
 					Tag = i.Tag,
 					Command = i.Command,
 					CommandParameter = i.CommandParameter,
-					CornerRadius = new(4),
 				};
 				try
 				{

src/Files.App/ResourceDictionaries/MenuFlyoutSubItemWithImageStyle.xaml

@@ -18,7 +18,7 @@
 						Background="{TemplateBinding Background}"
 						BorderBrush="{TemplateBinding BorderBrush}"
 						BorderThickness="{TemplateBinding BorderThickness}"
-						CornerRadius="{TemplateBinding CornerRadius}">
+						CornerRadius="{StaticResource ControlCornerRadius}">
 						<Grid>
 							<Grid.ColumnDefinitions>
 								<ColumnDefinition Width="*" />

src/Files.App/UserControls/Menus/MenuFlyoutItemWithImage.xaml

@@ -25,7 +25,7 @@
 							Background="{TemplateBinding Background}"
 							BorderBrush="{TemplateBinding BorderBrush}"
 							BorderThickness="{TemplateBinding BorderThickness}"
-							CornerRadius="{TemplateBinding CornerRadius}">
+							CornerRadius="{StaticResource ControlCornerRadius}">
 							<Grid.ColumnDefinitions>
 								<ColumnDefinition Width="*" />
 								<ColumnDefinition Width="Auto" />