bt5_prototype: Add template_format_version property

bt5/erp5_business_package/PropertySheetTemplateItem/portal_property_sheets/BusinessPackage/building_state_property.xml → bt5/erp5_business_package/PropertySheetTemplateItem/portal_property_sheets/BusinessPackage/template_format_version_property.xml

@@ -6,6 +6,14 @@
     </pickle>
     <pickle>
       <dictionary>
+        <item>
+            <key> <string>categories</string> </key>
+            <value>
+              <tuple>
+                <string>elementary_type/int</string>
+              </tuple>
+            </value>
+        </item>
         <item>
             <key> <string>description</string> </key>
             <value>
@@ -14,12 +22,16 @@
         </item>
         <item>
             <key> <string>id</string> </key>
-            <value> <string>building_state_property</string> </value>
+            <value> <string>template_format_version_property</string> </value>
         </item>
         <item>
             <key> <string>portal_type</string> </key>
             <value> <string>Standard Property</string> </value>
         </item>
+        <item>
+            <key> <string>property_default</string> </key>
+            <value> <string>python: 2</string> </value>
+        </item>
       </dictionary>
     </pickle>
   </record>