Add "local only" column to Users grid

but only show if user has perm of course

tailbone/views/master.py

@@ -411,6 +411,7 @@ class MasterView(View):
         # hide "local only" grid filter, unless global access allowed
         if self.secure_global_objects:
             if not self.has_perm('view_global'):
+                grid.hide_column('local_only')
                 grid.remove_filter('local_only')
 
     def grid_extra_class(self, obj, i):

tailbone/views/users.py

@@ -57,6 +57,7 @@ class UsersView(PrincipalMasterView):
         'username',
         'person',
         'active',
+        'local_only',
     ]
 
     form_fields = [