Start refactoring the read and write access of the access token status

This is needed to be able to used the same pattern for the enums affected in this issue

SOAP-1845 ALL CAPS
Finish refactoring of Access token status

SOAP-1845 ALL CAPS
Finish refactoring of Access token position

SOAP-1845 ALL CAPS
Finish refactoring of Refresh Access Token Methods and Access Token Starting Status

SOAP-1845 ALL CAPS
Update the affected system tests

SOAP-1845 ALL CAPS