Accessing the attachments from the Recently Updated macro does not work

[LucianCheve]

Describe the bug
Accessing the attachments from the Recently Updated macro does not work

Steps to reproduce
Steps to reproduce the problematic behavior:

1. Create a new page
2. Add the macro "Recently Updated" to this page
3. Add a new attachment to this page
4. Save the page.
5. Click on the link of the attachment in the list of Recently Updated macro

Expected behavior

You should be able to see the attachment, like in the ss below:

Actual behavior

You get "The attachment does not exist."
Also, the URL looks wrong:
http://localhost:8080/xwiki/bin/viewattachrev/%24%7Bresult/fullname%7D/myImageName.jpg

Environment (please complete the following information):

• XWiki version 16.10.8
• App version:

• reproduced the issue on 1.26.20, 1.26.19, 1.26.18
• it works as intended on version 1.26.17

[petrenkonikita112263]

Possible regression introduced by #523.