message: refactor: fix template lint in collection-item-picker/after-options
diff: -{{#if isLoading}}
  +{{#if @isLoading}}
  {{t 'collections.collection_item_picker.after_options.loading'}}
  -{{else if hasMore}}
  +{{else if this.hasMore}}
  <li
  - role="button"
  - class="ember-power-select-option text-center"
  - local-class="nobullet"
  - {{action loadMore}}
  + role='button'
  + class='ember-power-select-option text-center'
  + local-class='nobullet'
  + {{action @loadMore}}
  >
  {{t 'collections.collection_item_picker.after_options.load_more'}}
  </li>
  