FS-3873: cookie_policy added to unprotected_routes to make it availab…

…le at login page

create_app.py

@@ -180,7 +180,7 @@ def check_for_maintenance():
         def ensure_minimum_required_roles():
             return auth_protect(
                 minimum_roles_required=["COMMENTER"],
-                unprotected_routes=["/", "/healthcheck"],
+                unprotected_routes=["/", "/healthcheck", "/cookie_policy"],
             )
 
         # Get static filenames list