add Bug -> edit_workflow chain

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@11704 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_forge/PortalTypeWorkflowChainTemplateItem/workflow_chain_type.xml

 <workflow_chain>
  <chain>
   <type>Bug</type>
-  <workflow>bug_workflow</workflow>
+  <workflow>bug_workflow, edit_workflow</workflow>
  </chain>
 </workflow_chain>
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bt5/erp5_forge/bt/revision

-100
+101
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bt5/erp5_forge/bt/template_portal_type_workflow_chain_list

 Bug | bug_workflow
+Bug | edit_workflow
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