message: Fix focus box around color schemes combo box
  The focus box around the color schemes combo box was getting cut off, this change adds a small margin to the stackpanel to allow space for the focus box
  ## PR Checklist
  * [x] Closes
diff: Spacing="24">
  <!-- Select Color and Add New Button -->
  - <StackPanel Orientation="Horizontal">
  + <StackPanel Margin="0,5,0,0"
  + Orientation="Horizontal">
  <StackPanel Orientation="Horizontal"
  Visibility="{x:Bind local:Converters.InvertedBooleanToVisibility(IsRenaming), Mode=OneWay}">
  