Request item stop working

[aroman-arvo]

Describe the bug

Responding a "request item" request trough email link, to aprove or reject the resquest show an incomplete page with only the title.

It works fine at dspace-angular v7.4

To Reproduce
Steps to reproduce the behavior:

1. Activate request a copy with Helpdesk Strategy: https://wiki.lyrasis.org/display/DSDOC7x/Request+a+Copy#RequestaCopy-(Optional)RequestingacopywithHelpDeskworkflow
2. As anonymous user, look at an embargoed item, click on the file to display the request a copy form.
3. Complete and send the request a copy form
4. As helpdesk staff, look at the email inbox
5. Open the Request a copy email and click on the link to respond to it.
6. Login to DSpace in order to respond.

Only title is shown

Expected behavior
A form to acept or reject request should be shown.

Related work
Discovered while testing #8636

[tdonohue]

@aroman-arvo : I believe this is fixed in this small PR #2194 I'd welcome a secondary tester though, if you (or someone on your team) has time to verify that the fix is complete.