Fix TolkenizingTextBoxItem close button.

Set padding for close button to isolate from winui changes.

Author: Rosuavio

Microsoft.Toolkit.Uwp.UI.Controls.Input/TokenizingTextBox/TokenizingTextBoxItem.Token.xaml

@@ -14,6 +14,7 @@
         <Setter Property="Visibility" Value="Visible" />
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="BorderThickness" Value="0" />
+        <Setter Property="Padding" Value="8,5,8,6" />
     </Style>
 
     <Style x:Key="TokenizingTextBoxItemTokenStyle" TargetType="controls:TokenizingTextBoxItem">