修复 Styles.Button.Icon.Large 颜色没有的bug

Project.FLY.ControlLibrary/FLY.ControlLibrary/Themes/IconButtonStyle2.xaml

@@ -66,7 +66,7 @@
             </Style>
         </Style.Resources>
         <Style.Setters>
-            <Setter Property="Foreground" Value="{StaticResource Styles.Button.Empty}"/>
+            <Setter Property="Foreground" Value="{StaticResource Brushes.Activity}"/>
             <Setter Property="Margin" Value="{StaticResource ControlMargin}"/>
             <Setter Property="VerticalAlignment" Value="Center"/>
             <Setter Property="HorizontalAlignment" Value="Center"/>