* refactor: 💡 Add isSecret option for model attributes Move secret attribute logic to application serializer that will remove the key/value pair if the value is null or empty ✅ Closes: ICU-6800 * refactor: 💡 Add isSecret option to credential store token * Update addons/api/addon/serializers/credential.js Remove unneeded serialize method for credentials Co-authored-by: Randall Morey <randall@randallmorey.com> * refactor: 💡 add type check for serializing secret attributes Co-authored-by: Randall Morey <randall@randallmorey.com>