Resolve "EditDashboardView permission check broken"

Closes #773 (closed)

aleksis/core/views.py

@@ -971,7 +971,7 @@ class EditDashboardView(PermissionRequiredMixin, View):
         if (
             self.default_dashboard
             and not request.user.has_perm("core.edit_default_dashboard_rule")
-            or getattr(request.user.person, "is_dummy", False)
+            or getattr(request.user, "person", True) and getattr(request.user.person, "is_dummy", False)
         ):
             raise PermissionDenied()