[erp5_web_renderjs_ui] Use embedded the form definition if returned by the server

Removing one query improves the speed of the UI.

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_page_form_js.js

@@ -158,6 +158,9 @@ and handling data send&receive.
 
       return promise_queue
         .push(function () {
+          if (new_state.erp5_document._embedded._view.hasOwnProperty('_embedded')) {
+            return new_state.erp5_document._embedded._view._embedded.form_definition;
+          }
           var uri = new URI(new_state.erp5_document._embedded._view._links.form_definition.href);
           return gadget.jio_getAttachment(uri.segment(2), "view");
         })

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_page_form_js.xml

@@ -230,7 +230,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>967.24634.17714.15001</string> </value>
+                <value> <string>967.46234.55453.11827</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -248,7 +248,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1526655457.44</float>
+                        <float>1527598665.68</float>
                         <string>UTC</string>
                       </tuple>
                     </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_pt_report_view_js.js

@@ -5,10 +5,13 @@
 
   function createSectionGadget(gadget, queue, report_section,
                                section_list_element) {
-    var uri = new URI(report_section._links.form_definition.href),
-      form_definition;
+    var form_definition;
     queue
       .push(function () {
+        if (report_section.hasOwnProperty('_embedded')) {
+          return report_section._embedded.form_definition;
+        }
+        var uri = new URI(report_section._links.form_definition.href);
         return gadget.jio_getAttachment(uri.segment(2), "view");
       })
       .push(function (result) {

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_pt_report_view_js.xml

@@ -230,7 +230,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>962.56167.53905.31470</string> </value>
+                <value> <string>964.58561.19908.14080</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -248,7 +248,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1508400391.84</float>
+                        <float>1527668285.72</float>
                         <string>UTC</string>
                       </tuple>
                     </state>