Displaying filename with extension in DAM listing does not work

<require>org.nuxeo.dam.contentviews</require>
<extension target="org.nuxeo.ecm.platform.forms.layout.WebLayoutManager"
  point="widgets">
  <widget name="dam_listing_selection" type="dam_listing_selection">
    <labels>
      <label mode="any"></label>
    </labels>
    <fields>
      <field>data</field>
      <field>selected</field>
      <field>data.ref</field>
    </fields>
    <properties widgetMode="any">
      <property name="hideExtension">false</property>
    </properties>
  </widget>
</extension>