message: additional selectors for boxel action chin
diff: }}
  ...attributes
  data-test-boxel-action-chin
  + data-test-boxel-action-chin-state={{@state}}
  >
  {{!-- Not accounting for 0 as a step number --}}
  {{#if @stepNumber}}
  ActionButton=(component
  "boxel/button"
  kind="secondary-light"
  + class="boxel-action-chin__memorialized-action-button"
  disabled=@disabled
  )
  ActionStatusArea=(component
  