Related articles will not load on Agent Issue view when linked with Confluence greater than 8.5.0

Issue Summary

This is reproducible on Data Center: (yes)

Steps to Reproduce

1. Set up a Confluence DC application link with a version greater than 8.5.0 - https://confluence.atlassian.com/servicemanagementserver/set-up-a-knowledge-base-with-confluence-server-1018775515.html 
2. Create an article in Confluence with a simple name
3. Create a Ticket in JSM with the same name
4. Open the new ticket

Expected Results

The Confluence article should show:

Actual Results

The related articles panel will show a loading spinner and never load the article

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available