erp5_web: XML changes

bt5/erp5_web/PortalTypeTemplateItem/portal_types/Web%20Section.xml

@@ -73,6 +73,22 @@
             <key> <string>title</string> </key>
             <value> <string></string> </value>
         </item>
+        <item>
+            <key> <string>type_class</string> </key>
+            <value> <string>WebSection</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>