message: Remove the icon grid column from the Actions page
  Closes
diff: <Grid HorizontalAlignment="Stretch"
  ColumnSpacing="8">
  <Grid.ColumnDefinitions>
  - <ColumnDefinition Width="16" />
  - <!-- icon -->
  <ColumnDefinition Width="Auto" />
  <!-- command label -->
  <ColumnDefinition Width="*" />
  <!-- gutter for scrollbar -->
  </Grid.ColumnDefinitions>
  - <TextBlock Grid.Column="1"
  + <TextBlock Grid.Column="0"
  HorizontalAlignment="Left"
  Text="{x:Bind Name, Mode=OneWay}" />
  AutomationProperties to Raw here, unlike in the
  CommandPalette. We're not quite sure why.
  -->
  - <Border Grid.Column="2"
  + <Border Grid.Column="1"
  Padding="2,0,2,0"
  HorizontalAlignment="Right"
  VerticalAlignment="Center"
  