erp5_officejs: fix issue on submit

See merge request !2016

bt5/erp5_officejs/PathTemplateItem/web_page_module/gadget_officejs_form_view_js.js

@@ -255,9 +255,10 @@
       var gadget = this, child_gadget, content_dict;
       if (gadget.state.form_definition.portal_type_dict.custom_submit) {
         return gadget.getDeclaredGadget('erp5_pt_gadget')
-          .push(function (result) {
-            child_gadget = result;
+          .push(function (child_gadget) {
+            if (child_gadget.state.editable)
               return child_gadget.getContent();
+            return {};
           })
           .push(function (result) {
             content_dict = result;

bt5/erp5_officejs/PathTemplateItem/web_page_module/gadget_officejs_form_view_js.xml

@@ -258,7 +258,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>1019.37331.10633.54664</string> </value>
+                      <value> <string>1020.40692.19503.22357</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -278,7 +278,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1727373462.24</float>
+                              <float>1731420849.96</float>
                               <string>UTC</string>
                             </tuple>
                           </state>