message: boxel: Fix ControlPanel contextual yield
diff: @@ -56,7 +56,7 @@ export default class ControlPanel extends Component<Signature> {
  <template>
  <div class="boxel-control-panel">
  - {{yield (hash Item=(component Item))}}
  + {{yield (hash Item=Item)}}
  </div>
  </template>
  }
  