erp5_web_renderjs_ui: keep the navigation history after using the logout page

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_pt_logoutform_js.js

@@ -49,7 +49,7 @@
         erp5_form: gadget.getDeclaredGadget("erp5_form"),
         url_dict: gadget.getUrlForDict({
           // Back url
-          back: {command: 'display'},
+          back: {command: 'history_previous'},
           // Change language
           change_language: {command: 'display', options: {page: 'language'}}
         })

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_pt_logoutform_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>992.849.18457.2065</string> </value>
+                      <value> <string>994.55155.11493.60433</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1620831029.04</float>
+                              <float>1631866791.5</float>
                               <string>UTC</string>
                             </tuple>
                           </state>