slapos_erp5: Minor fixup

   Roles had duplicated names and were generating unecessary diff

master/bt5/slapos_erp5/PortalTypeRolesTemplateItem/Web%20Message.xml

@@ -8,7 +8,7 @@
    <multi_property id='base_category'>destination</multi_property>
   </role>
   <role id='Auditor'>
-   <property id='title'>Customer</property>
+   <property id='title'>Customer Source</property>
    <property id='description'>Monovalued role</property>
    <property id='condition'>python: here.getSourceValue(portal_type='Person') is not None</property>
    <property id='base_category_script'>ERP5Type_getSecurityCategoryFromContent</property>