Make dialogs white again

DiscordChatExporter.Gui/App.xaml

@@ -78,7 +78,6 @@
 
             <!--  Styles  -->
             <Style x:Key="MaterialDesignRoot" TargetType="{x:Type Control}">
-                <Setter Property="Background" Value="{DynamicResource MaterialDesignPaper}" />
                 <Setter Property="FontFamily" Value="{DynamicResource MaterialDesignFont}" />
                 <Setter Property="RenderOptions.BitmapScalingMode" Value="HighQuality" />
                 <Setter Property="SnapsToDevicePixels" Value="True" />

DiscordChatExporter.Gui/Views/RootView.xaml

@@ -11,6 +11,7 @@
     Height="550"
     MinWidth="325"
     d:DataContext="{d:DesignInstance Type=viewModels:RootViewModel}"
+    Background="{DynamicResource MaterialDesignPaper}"
     FocusManager.FocusedElement="{Binding ElementName=TokenValueTextBox}"
     Icon="/DiscordChatExporter;component/favicon.ico"
     Style="{DynamicResource MaterialDesignRoot}"