refs #18733 [fid_bbi] use semicolon to delimit author names in result list

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

@@ -51,8 +51,8 @@ $icon = $this->record($this->driver)->getIconMapping($format);
           );
           ?>
           <a href="<?=$authorLink?>">
-            <?=$this->highlight($summAuthor)?>
-          </a><?=$i + 1 < $authorCount ? ',' : ''?>
+            <?=$this->highlight($summAuthor)?><?=$i + 1 < $authorCount ? ';' : ''?>
+          </a>
         <?php endforeach; ?>
       <?php endif; ?>