[devtools] fix sorting in ExecutionPlan._check_permissions on python3 Sort lists instead of dict_items objects to get predictable results. With this change, unittest_querier.UtilsTC.test_preprocess_security passes every time instead of once in a blue moon. Closes #11759133.

cubicweb-web: embedded-javascript-library usr/share/cubicweb/cubes/shared/data/jquery.js