message: shrunk + icon
diff: @@ -19,8 +19,8 @@ the MIT License. See LICENSE in the project root for license information. -->
  Background="{ThemeResource SystemChromeLowColor}"
  VerticalAlignment="Stretch"
  HorizontalAlignment="Left">
  - <Viewbox MaxHeight="15"
  - MaxWidth="15">
  + <Viewbox MaxHeight="13"
  + MaxWidth="13">
  <SymbolIcon Symbol="Add" />
  </Viewbox>
  </SplitButton>
  