BREAKING CHANGE

1) Rename 1 `PrivilegedAccess` method:
```
getAdministrationWorkspaceId()
->
getAdminWorkspaceId()
```

2) Rename 6 `AccessControlService` constants:
```
ADMINISTRATION_WORKSPACE_NAME
ADMINISTRATION_WORKSPACE_URI
ADMINISTRATION_WORKSPACE_SHARING_MODE
->
ADMIN_WORKSPACE_NAME
ADMIN_WORKSPACE_URI
ADMIN_WORKSPACE_SHARING_MODE
```