erp5_item: Change listbox in Item_getTrackingList to sort by date and display...

erp5_item: Change listbox in Item_getTrackingList to sort by date and display time in the date column

In this way is easier to follow and check where is the item

bt5/erp5_item/SkinTemplateItem/portal_skins/erp5_item/Item_viewTrackingList/listbox.xml

@@ -141,7 +141,7 @@
                     <value>
                       <list>
                         <tuple>
-                          <string>int_index</string>
+                          <string>date</string>
                           <string>ascending</string>
                         </tuple>
                       </list>

bt5/erp5_item/SkinTemplateItem/portal_skins/erp5_item/Item_viewTrackingList/listbox_date.xml

@@ -9,7 +9,9 @@
         <item>
             <key> <string>delegated_list</string> </key>
             <value>
-              <list/>
+              <list>
+                <string>date_only</string>
+              </list>
             </value>
         </item>
         <item>
@@ -69,6 +71,10 @@
             <key> <string>values</string> </key>
             <value>
               <dictionary>
+                <item>
+                    <key> <string>date_only</string> </key>
+                    <value> <int>0</int> </value>
+                </item>
                 <item>
                     <key> <string>field_id</string> </key>
                     <value> <string>my_view_mode_listbox_date</string> </value>