Fix the problem with undelete-mailbox command when listing deleted mailboxes command actually doesn't replace placeholders with values, which prevents correctly list deleted mailboxes and then undelete them.

Summary: T2648

Test Plan: none

Reviewers: vanmeeuwen, machniak, mollekopf

Reviewed By: mollekopf

Subscribers: mollekopf, machniak, vanmeeuwen

Maniphest Tasks: T2648

Differential Revision: https://git.kolab.org/D548