Add margin of 9 under search box

Author: jcansdale

src/GitHub.VisualStudio.UI/Views/Dialog/Clone/SelectPageView.xaml

@@ -15,7 +15,7 @@
 
     <DockPanel>
         <ghfvs:PromptTextBox DockPanel.Dock="Top"
-                             Margin="0,4"
+                             Margin="0,0,0,9"
                              PromptText="Search or enter a URL"
                              Text="{Binding Filter, UpdateSourceTrigger=PropertyChanged, Delay=300}"/>