erp5_base: update DateUtils Import

bt5/erp5_base/MixinTemplateItem/portal_components/mixin.erp5.BuilderMixin.py

@@ -30,7 +30,7 @@
 from AccessControl import ClassSecurityInfo
 from Products.ERP5Type.Globals import InitializeClass
 from Products.ERP5Type import Permissions, PropertySheet
-from Products.ERP5Type.DateUtils import addToDate
+from erp5.component.module.DateUtils import addToDate
 from Products.ERP5Type.XMLObject import XMLObject
 from Products.ERP5Type.Core.Predicate import Predicate
 from erp5.component.document.Amount import Amount