add group category on budget, as it's very common to make budget by group

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35614 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_budget/PortalTypeBaseCategoryTemplateItem/base_category_list.xml

 <base_category_list>
  <portal_type id="Budget">
   <item>budget_type</item>
+  <item>group</item>
   <item>specialise</item>
  </portal_type>
  <portal_type id="Budget Line">

bt5/erp5_budget/bt/revision

-279
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+280
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bt5/erp5_budget/bt/template_portal_type_base_category_list

@@ -5,5 +5,6 @@ Budget Transaction Module | business_application
 Budget Transaction | group
 Budget Transfer Line | group
 Budget | budget_type
+Budget | group
 Budget | specialise
 Node Budget Variation | aggregate
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