refs #15917 [fid_bbi] conditions on payment info

* show payment note for "Volltext" links and where link type is unknown

themes/fid_bbi/templates/RecordTab/holdingsils.phtml

@@ -21,7 +21,18 @@
     <caption><?php if (in_array('Free',$this->driver->tryMethod('getFacetAvail'))):?>
             <?=$this->translate('Open Access')?>
     <?php else: ?>
+        <?php if (!empty(array_filter($urls,
+                function ($elem) {
+                    return !isset($elem['desc']) || in_array(
+                                $elem['desc'],
+                                [
+                                    'Volltext',
+                                ]
+                            );
+                    }
+                ))):?>
             <?=$this->translate('charges_may_apply')?>
+        <?php endif;?>
     <?php endif;?></caption>
       <tr>
         <th><?=$this->transEsc("Link")?>:</th>