Affected services not showing linked issues on the 'Linked issues' tab

Issue Summary

For the 'Affected Services' field, the linked issues section does not show any linked issues – also the relevant service on Insight does not show issues linked to the service/

Steps to Reproduce

1. Add a service in an ITSM project
2. Add the 'Affected Services' field to all screens for the project
3. Create a new issue, fill the 'Affected Services' field with the service
4. On the issue, go to the object details/graph view on the affected service
5. Click the "Linked issues" tab

Expected Results

The linked issues section should show with the issue that has just been created.

Actual Results

No linked issues being shown for the service

Workaround

No workaround