erp5_web_monitoring: break a rendering infinite loop

The real issue is probably in the launcher.js file, but it is more tricky to fix

bt5/erp5_web_monitoring/PathTemplateItem/web_page_module/gadget_erp5_page_ojsm_import_export_js.js

@@ -463,7 +463,7 @@
             return getMonitorSetting(gadget);
           })
           .push(function (configuration_dict) {
-            return gadget.changeState({
+            return gadget.deferChangeState({
               options: options,
               is_exporter: is_exporter,
               config: JSON.stringify(configuration_dict),
@@ -473,7 +473,7 @@
           });
       }
 
-      return gadget.changeState({
+      return gadget.deferChangeState({
         options: options,
         is_exporter: is_exporter,
         config: "",
@@ -482,6 +482,12 @@
         storage_url: options.url
       });
     })
+    .declareJob('deferChangeState', function deferStateChange(state) {
+      // onStateChange does too many things (notification, ajax, redirect)
+      // which leads to infinite rendering loop currently
+      // Break this by decoupling all those things from render
+      return this.changeState(state);
+    })
     .onStateChange(function () {
       var gadget = this;
       if (gadget.state.options === "") {

bt5/erp5_web_monitoring/PathTemplateItem/web_page_module/gadget_erp5_page_ojsm_import_export_js.xml

@@ -79,7 +79,9 @@
         </item>
         <item>
             <key> <string>content_type</string> </key>
-            <value> <string>text/javascript</string> </value>
+            <value>
+              <none/>
+            </value>
         </item>
         <item>
             <key> <string>default_reference</string> </key>
@@ -256,7 +258,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>967.60730.33169.16435</string> </value>
+                      <value> <string>994.35342.36450.46984</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -274,7 +276,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1530700819.45</float>
+                              <float>1630678427.22</float>
                               <string>UTC</string>
                             </tuple>
                           </state>