erp5_web_renderjs_ui: update the interface for gadget_button_maximize

And simplify just a bit the code

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_button_maximize_js.js

@@ -8,8 +8,7 @@
     .declareAcquiredMethod("translate", "translate")
 
     .declareMethod('render', function () {
-      var gadget = this;
-      return gadget.changeState({'init': true});
+      return this.changeState({'init': true});
     })
 
     .onStateChange(function (modification_dict) {

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_button_maximize_js.xml

@@ -244,7 +244,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>1019.59406.56317.53077</string> </value>
+                      <value> <string>1019.59407.20285.20309</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -264,7 +264,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1728611478.5</float>
+                              <float>1728982571.06</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_interface_maximize_button.html

@@ -8,6 +8,11 @@
     <h3></h3>
     <dl>
 
+      <dt>render</dt>
+      <dd>Display the ERP5 field</dd>
+      <dl>
+      </dl>
+
     </dl>
   </body>
 </html>
\ No newline at end of file

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_interface_maximize_button.xml

@@ -226,7 +226,7 @@
                   </item>
                   <item>
                       <key> <string>actor</string> </key>
-                      <value> <string>zope</string> </value>
+                      <value> <unicode>zope</unicode> </value>
                   </item>
                   <item>
                       <key> <string>comment</string> </key>
@@ -240,7 +240,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>970.6821.51131.59511</string> </value>
+                      <value> <string>1020.60.35500.43827</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -260,7 +260,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1536322934.28</float>
+                              <float>1728983001.83</float>
                               <string>UTC</string>
                             </tuple>
                           </state>