erp5_web_renderjs_ui: catch potential error by using renderjs's job

RSVP.Promise cancel callback do not expect a Promise as result.
In order to handle potential errors triggered by setButtonTitle, run it in an renderjs's job.

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_launcher_js.js

@@ -249,24 +249,22 @@
     }
     hideDesktopPanel(gadget, maximize);
     if (maximize) {
-      return route(gadget, 'header', 'setButtonTitle', [{
+      gadget.deferSetButtonTitle({
         icon: "compress",
         action: "maximize"
-      }])
-        .push(function () {
-          gadget.props.deferred_minimize = new RSVP.Promise(
-            function () {return; },
-            function () {
-              // Wait for cancellation
-              // return triggerMaximize(gadget, false);
-              hideDesktopPanel(gadget, false);
-              return route(gadget, 'header', 'setButtonTitle', [{}]);
-            }
-          );
-          return gadget.props.deferred_minimize;
-        });
+      });
+      gadget.props.deferred_minimize = new RSVP.Promise(
+        function () {return; },
+        function () {
+          // Wait for cancellation
+          // return triggerMaximize(gadget, false);
+          hideDesktopPanel(gadget, false);
+          gadget.deferSetButtonTitle({});
+        }
+      );
+      return gadget.props.deferred_minimize;
     }
-    return route(gadget, 'header', 'setButtonTitle', [{}]);
+    gadget.deferSetButtonTitle({});
   }
 
   //////////////////////////////////////////
@@ -338,6 +336,9 @@
   }
 
   rJS(window)
+    .declareJob('deferSetButtonTitle', function (options) {
+      return route(this, 'header', 'setButtonTitle', [options]);
+    })
 
     // Add mutex protected defered gadget loader.
     // Multiple mutex are needed, to not prevent concurrent loading on

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_launcher_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>982.26879.4100.14950</string> </value>
+                      <value> <string>986.32404.49746.11571</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1585300343.55</float>
+                              <float>1601565748.05</float>
                               <string>UTC</string>
                             </tuple>
                           </state>