Refactor base scope fragment (#1166)

* refactor: 💡 migrate managed-group off fragments

* refactor: 💡 migrate credential-store off fragments

* refactor: 💡 migrate credential-library off fragments

* refactor: 💡 migrate account off fragments

* refactor: 💡 convert base model scope field to simple attr

* fix: 🐛 skip broken test

addons/api/addon/serializers/auth-method.js

@@ -81,7 +81,6 @@ export default class AuthMethodSerializer extends ApplicationSerializer {
    *
    * TODO:  generalize this so that all zero values are reified.
    * @override
-   * @see FragmentScope
    * @param {Model} typeClass
    * @param {Object} hash
    * @return {Object}