Add dependency to util functions

src/main/webapp/html/method_editor.jsp

@@ -6,6 +6,7 @@
 <script src="https://cdn.jsdelivr.net/npm/ol@v9.2.4/dist/ol.js"></script>
 <script src="${cdn_url}/ccp/js/inputwidgetcontroller.js"></script>
 <script src="${cdn_url}/storage/d4s-storage.js"></script>
+<script src="${cdn_url}/common/js/utils.js"></script>
 <div>
     <d4s-ccp-methodeditor serviceurl="${ccp_url}">
         <script src="${cdn_url}/ccp/js/methodeditorcontroller.js"></script>