no listview selection type on non-light theme

src/App/Styles/iOS.xaml

@@ -54,6 +54,8 @@
            ApplyToDerivedTypes="True">
         <Setter Property="BackgroundColor"
                 Value="{StaticResource BackgroundColor}" />
+        <Setter Property="RefreshControlColor"
+                Value="{StaticResource PrimaryColor}" />
     </Style>
     <Style TargetType="ActivityIndicator"
            ApplyToDerivedTypes="True">