erp5_item: init Item for buce

bt5/erp5_item/PortalTypeTemplateItem/portal_types/Item.xml

@@ -75,11 +75,13 @@
         </item>
         <item>
             <key> <string>init_script</string> </key>
-            <value> <string></string> </value>
+            <value> <string>Item_init</string> </value>
         </item>
         <item>
             <key> <string>permission</string> </key>
-            <value> <string></string> </value>
+            <value>
+              <none/>
+            </value>
         </item>
         <item>
             <key> <string>title</string> </key>
@@ -89,6 +91,18 @@
             <key> <string>type_class</string> </key>
             <value> <string>Item</string> </value>
         </item>
+        <item>
+            <key> <string>type_interface</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>type_mixin</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
       </dictionary>
     </pickle>
   </record>