message: fix(typeahead): fix broken typeahead property
diff: @@ -28,7 +28,7 @@ import { Subscription } from 'rxjs';
  class: 'dropdown open bottom',
  '[class.dropdown-menu]': 'isBs4',
  '[style.height]': `isBs4 && needScrollbar ? guiHeight: 'auto'`,
  - '[style.visibility]': 'hidden',
  + '[style.visibility]': `'inherit'`,
  '[class.dropup]': 'dropup',
  style: 'position: absolute;display: block;'
  },
  