[erp5_web_renderjs_ui] Display a default dialog message if none received from server

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_page_form_js.js

@@ -373,13 +373,16 @@ and handling data send&receive.
             // successful form save returns simple redirect and an answer as JSON
             return new RSVP.Queue()
               .push(function () {
-                return jIO.util.readBlobAsText(attachment.target.response);
+                return RSVP.all([
+                  jIO.util.readBlobAsText(attachment.target.response),
+                  gadget.translate('Action succeeded.')
+                ]);
               })
-              .push(function (response_text) {
-                var response = JSON.parse(response_text.target.result);
+              .push(function (result_list) {
+                var response = JSON.parse(result_list[0].target.result);
 
                 return gadget.notifySubmitted({
-                  "message": response.portal_status_message,
+                  "message": response.portal_status_message || result_list[1],
                   "status": response.portal_status_level || "success"
                 });
               })

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_page_form_js.xml

@@ -228,7 +228,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>978.15561.54943.25565</string> </value>
+                <value> <string>978.43862.35468.53555</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -246,7 +246,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1567699957.33</float>
+                        <float>1569398056.45</float>
                         <string>UTC</string>
                       </tuple>
                     </state>