PYSEC-2026-4047 djust has an authorization bypass on the WebSocket/SSE mount path

Impact The live WebSocket transport authorizes a mount via checkviewauth, not Django's View.dispatch chain. As a result, standard Django authorization — LoginRequiredMixin, PermissionRequiredMixin, UserPassesTestMixin, @methoddecoratorloginrequired, name="dispatch", and custom dispatch guards — a...