DataGrid Scrollbar column header not stylized

[andrewwong0893]

Bug explanation

I'm not sure whether this is a bug or not but I have a DataGrid where I have formatted the column headers to a generic style that is consistent:

<Style TargetType="DataGridColumnHeader">
    <Setter Property="Background" Value="{StaticResource PrimaryColor}" />
    <Setter Property="Foreground" Value="White" />
    <Setter Property="Padding" Value="12,15" />
</Style>

When I load a bunch of data to my grid, a ScrollViewer will automatically appear. However, the column where the scrollbar is placed is not stylized.

<DataGrid
    x:Name="_ComponentGrid"
    Grid.Row="2"
    ItemsSource="{Binding ComponentTableModels}"
    ScrollViewer.CanContentScroll="True"
    SelectionMode="Extended"
    SelectionUnit="FullRow"
    VerticalScrollBarVisibility="Auto">
    <DataGrid.Columns>
      ...
   </DataGrid.Columns>
</DataGrid>

Is there a way for me to bring the style over to the scroll bar column?

Version

5.0.0