core: Show "Diff Object" / "Diff Module Objects" only to manager

these actions are not ready to be used by end users

bt5/erp5_core_test/TestTemplateItem/portal_components/test.erp5.testERP5Core.py

@@ -264,7 +264,6 @@ class TestERP5Core(ERP5TypeTestCase, ZopeTestCase.Functional):
     expected = {'folder': [],
                 'global': [],
                 'object': [],
-                'object_action': [{'id': 'diff_object_action', 'title': 'Diff Object'}],
                 'object_exchange': [{'id': 'csv_export', 'title': 'Export Csv File'}], # erp5_csv_style
                 'object_hidden': [{'id': 'view_historical_comparison',
                                    'title': 'View Historical Comparison'},
@@ -286,7 +285,6 @@ class TestERP5Core(ERP5TypeTestCase, ZopeTestCase.Functional):
     expected = {'folder': [],
                 'global': [],
                 'object': [],
-                'object_action': [{'id': 'diff_object_action', 'title': 'Diff Object'}],
                 'object_exchange': [{'id': 'csv_export', 'title': 'Export Csv File'}], # erp5_csv_style
                 'object_hidden': [{'id': 'view_historical_comparison',
                                    'title': 'View Historical Comparison'},

product/ERP5/bootstrap/erp5_core/ActionTemplateItem/portal_types/portal_actions/diff_multiple_object_action.xml

@@ -38,7 +38,7 @@
             <key> <string>permissions</string> </key>
             <value>
               <tuple>
-                <string>View</string>
+                <string>Manage portal</string>
               </tuple>
             </value>
         </item>

product/ERP5/bootstrap/erp5_core/ActionTemplateItem/portal_types/portal_actions/diff_object_action.xml

@@ -38,7 +38,7 @@
             <key> <string>permissions</string> </key>
             <value>
               <tuple>
-                <string>View</string>
+                <string>Manage portal</string>
               </tuple>
             </value>
         </item>