sudo --list does not unfold recursive aliases

[squell]

sudo-rs has a clever mechanism which doesn't unfold the aliases in-memory, but sudo --list is unaware of this:

Suppose we have Cmnd_Alias FOO=/bin/fsck and Cmnd_Alias BAR=FOO, and ALL ALL = BAR in /etc/sudoers, then:

$ sudo-rs --list
User marc may run the following commands on xyzzy:
    (root) FOO

$ ogsudo --list
...
User marc may run the following commands on xyzzy:
    (root) /sbin/fsck