reverted experimental fix to #104

Author: maxijabase

UI/STheme/STheme.xaml

@@ -36,11 +36,6 @@
     <avalonDockConverters:LayoutItemFromLayoutModelConverter x:Key="LayoutItemFromLayoutModelConverter"/>
     <avalonDockConverters:ActivateCommandLayoutItemFromLayoutModelConverter x:Key="ActivateCommandLayoutItemFromLayoutModelConverter"/>
 
-    <Style TargetType="{x:Type ListBoxItem}">
-        <Setter Property="HorizontalAlignment" Value="Left" />
-        <Setter Property="VerticalAlignment" Value="Top" />
-    </Style>
-
     <Style x:Key="AvalonDock_ThemeMetro_ToolButtonStyle" TargetType="ToggleButton">
         <Setter Property="Background" Value="Transparent"/>
         <Setter Property="BorderThickness" Value="1"/>