exclude hidden users from ajax search

com/views.py

@@ -240,7 +240,8 @@ class NewsListView(TemplateView):
         if not self.request.user.has_perm("core.view_user"):
             return []
         return itertools.groupby(
-            User.objects.filter(
+            User.objects.viewable_by(self.request.user)
+            .filter(
                 date_of_birth__month=localdate().month,
                 date_of_birth__day=localdate().day,
                 is_viewable=True,