refs #17132 [fid_bbi] display first 3 authors

themes/fid_bbi/templates/RecordDriver/DefaultRecord/result-list.phtml

@@ -47,6 +47,8 @@ if ($cover):
           <?=implode('<br>', array_map([$this, 'escapeHtml'], $this->driver->getSummary())); ?>
         <?php else: ?>
           <?php $summAuthors = $this->driver->getPrimaryAuthorsWithHighlighting();
+          /* #17132: display first 3 authors - GG */
+          $summAuthors = array_slice($summAuthors, 0, 3);
           if (!empty($summAuthors)): ?>
             <?=$this->transEsc('by')?>
             <?php $authorCount = count($summAuthors);