Tweaked visual styling of LinkDropDown.

Author: grokys

src/GitHub.VisualStudio/Styles/LinkDropDown.xaml

@@ -39,7 +39,7 @@
     </Style>
 
     <Style TargetType="{x:Type ui:LinkDropDown}">
-        <Setter Property="Foreground" Value="#FF0E70C0"/>
+        <Setter Property="Foreground" Value="{DynamicResource GitHubActionLinkItemBrush}"/>
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="ui:LinkDropDown">
@@ -52,10 +52,16 @@
                                AllowsTransparency="True"
                                IsOpen="{TemplateBinding IsDropDownOpen}" 
                                Placement="Bottom">
+                            <Popup.Resources>
+                                <Style BasedOn="{StaticResource {x:Type ComboBoxItem}}" TargetType="{x:Type ComboBoxItem}">
+                                    <Setter Property="Padding" Value="3" />
+                                    <Setter Property="HorizontalContentAlignment" Value="Stretch" />
+                                </Style>
+                            </Popup.Resources>
                             <Border Style="{DynamicResource GitHubComboBoxBorder}">
                                 <DockPanel Style="{DynamicResource GitHubComboBoxDockPanelContainer}"
                                            MinWidth="100">
-                                    <ScrollViewer>
+                                    <ScrollViewer VerticalScrollBarVisibility="Auto">
                                         <ItemsPresenter/>
                                     </ScrollViewer>
                                 </DockPanel>