erp5_gadget_interface_validator: update storage to handle new precache manifest response

- test updated

bt5/erp5_gadget_interface_validator/PathTemplateItem/web_page_module/gadget_interface_validator_jio_js.js

@@ -22,7 +22,7 @@
       })
       .push(function (evt) {
         var key,
-          precache_dict = evt.target.response,
+          precache_dict = evt.target.response.url_dict,
           result_list = [],
           precache_absolute_url = (new URL(precache_url, window.location)).href;
         for (key in precache_dict) {

bt5/erp5_gadget_interface_validator/PathTemplateItem/web_page_module/gadget_interface_validator_jio_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>981.51931.38103.24746</string> </value>
+                      <value> <string>985.49101.35647.15445</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1581590120.37</float>
+                              <float>1596722312.92</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_gadget_interface_validator_ui_test/SkinTemplateItem/portal_skins/erp5_gadget_interface_validator_ui_test/WebSection_getInterfaceValidatorTestPrecacheManifest.py

@@ -22,7 +22,11 @@ url_list = [
 
 if REQUEST is not None:
   import json
+  manifest_dict = {
+    'url_dict': dict.fromkeys(url_list),
+    'modification_date': context.getModificationDate().rfc822()
+  }
   REQUEST.RESPONSE.setHeader('Content-Type', 'application/json')
-  return json.dumps(dict.fromkeys(url_list), indent=2)
+  return json.dumps(manifest_dict, indent=2)
 
 return url_list