add FocusVisualStyle for some controls

src/Shared/HandyControl_Shared/Themes/Styles/Base/SideMenuBaseStyle.xaml

@@ -7,6 +7,7 @@
     </ResourceDictionary.MergedDictionaries>
 
     <Style x:Key="SideMenuItemBaseStyle" BasedOn="{StaticResource BaseStyle}" TargetType="controls:SideMenuItem">
+        <Setter Property="FocusVisualStyle" Value="{StaticResource FocusVisualRadius0Margin0}"/>
         <Setter Property="Role" Value="Item"/>
         <Setter Property="VerticalContentAlignment" Value="Center"/>
         <Setter Property="Background" Value="{DynamicResource RegionBrush}"/>
@@ -87,6 +88,7 @@
     </Style>
 
     <Style x:Key="SideMenuItemHeaderBaseStyle" BasedOn="{StaticResource BaseStyle}" TargetType="controls:SideMenuItem">
+        <Setter Property="FocusVisualStyle" Value="{StaticResource FocusVisualRadius0Margin0}"/>
         <Setter Property="VerticalContentAlignment" Value="Center"/>
         <Setter Property="Background" Value="{DynamicResource RegionBrush}"/>
         <Setter Property="ItemContainerStyle" Value="{StaticResource SideMenuItemBaseStyle}"/>