Passing list of empty categories to the domain tool was defeating filtering of rules by category

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@45046 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Tool/RuleTool.py

@@ -98,9 +98,6 @@ class RuleTool(BaseTool):
       """
       domain_tool = getToolByName(self.getPortalObject(), "portal_domains")
 
-      if tested_base_category_list is None:
-        tested_base_category_list = []
-
       rule_list = domain_tool.searchPredicateList(context=movement,
           tested_base_category_list=tested_base_category_list,
           portal_type=self.getPortalRuleTypeList(),