role model: prevent deleting default role
role model: prevent deleting default role

Undesirable consequences of deleting the default role are mentioned in
issue #767.

PeterRock/Ci-Bonfire3,PeterRock/Ci-Bonfire3,kelaskakap/cms-api-unggun,kelaskakap/cms-api-unggun,PeterRock/Ci-Bonfire3,kelaskakap/cms-api-unggun