disable horizontal scroll from upgrade window datagrid (otherwise it autoscrolls when click editor path column)

Author: unitycoder

UnityLauncherPro/UpgradeWindow.xaml

@@ -189,7 +189,7 @@
         <Button Style="{StaticResource CustomButton}" x:Name="btnUpgradeProject" Background="{DynamicResource ThemeButtonBackground}" Foreground="#FFC1C1C1" Margin="0,434,8,0" BorderBrush="{x:Null}" HorizontalAlignment="Right" Width="159" VerticalAlignment="Top" Height="51" Click="BtnUpgradeProject_Click" >
             <Label Foreground="{DynamicResource ThemeButtonForeground}" Content="_Upgrade Project"/>
 		</Button>
-        <DataGrid x:Name="gridAvailableVersions" SelectionMode="Single" HorizontalAlignment="Left" Height="304" Margin="10,121,0,0" VerticalAlignment="Top" Width="393" HeadersVisibility="None" AutoGenerateColumns="False" IsSynchronizedWithCurrentItem="True" Foreground="{DynamicResource ThemeButtonForeground}" Background="{DynamicResource ThemeMainBackgroundColor}" PreviewKeyDown="GridAvailableVersions_PreviewKeyDown" Loaded="GridAvailableVersions_Loaded" PreviewMouseDoubleClick="GridAvailableVersions_PreviewMouseDoubleClick" VerticalScrollBarVisibility="Visible">
+        <DataGrid x:Name="gridAvailableVersions" SelectionMode="Single" HorizontalAlignment="Left" Height="304" Margin="10,121,0,0" VerticalAlignment="Top" Width="393" HeadersVisibility="None" AutoGenerateColumns="False" IsSynchronizedWithCurrentItem="True" Foreground="{DynamicResource ThemeButtonForeground}" Background="{DynamicResource ThemeMainBackgroundColor}" PreviewKeyDown="GridAvailableVersions_PreviewKeyDown" Loaded="GridAvailableVersions_Loaded" PreviewMouseDoubleClick="GridAvailableVersions_PreviewMouseDoubleClick" VerticalScrollBarVisibility="Visible" HorizontalScrollBarVisibility="Disabled">
 			<DataGrid.Columns>
 				<DataGridTextColumn Header="Key" Binding="{Binding Key}" IsReadOnly="True" />
 				<DataGridTextColumn Header="Value" Binding="{Binding Value}" IsReadOnly="True" />