Deleted Attachments from Page Index aren't ordered properly

Steps to reproduce:

1. Click on the Drawer
2. Click on Page Index
3. Click on the Deleted Attachments tab
4. Click on each column from the livetable to order it ASC / DESC (Attachment, Page, Deleted on, Deleted by)

Expected results: The rows are ordered ASC / DESC.

Actual results: The Attachment and Page columns aren't ordered properly.