If prefix.INBOX has children and we're listing under prefix.%, don't drop the prefix.
If prefix.INBOX has children and we're listing under prefix.%, don't drop
the prefix.

Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot,Distrotech/dovecot,damoxc/dovecot