MASK - get image path
// compare with autogenerated code
<div class="boxContent" style="background-image: url(
<f:if condition="{data_item.tx_mask_bgimage}">
<f:for each="{data_item.tx_mask_bgimage}" as="file">
<f:uri.image src="{file.publicUrl}" />
</f:for>
</f:if>
);">