Issue Summary

This is reproducible on Data Center: (yes)

Jira Issue Macro doesn't render font that is coming from a custom field of Jira.

Steps to Reproduce

1. Create a fresh instance with Confluence 8.5.8
2. Create a Jira 9.12.1 instance
3. Create an application link between Jira and Confluence
4. Create a custom field with the Wiki Style Renderer
5. Add some content in the custom field and change the font to "monospace"
   
   
6. Add a Jira Issue Macro to a Confluence page and it doesn't render as expected and it shows in normal font not monospace
   

Expected Results

Jira Issue Macro should show the content in the selected font only.

Notes

The issue should have the same roots as the bug CONFSERVER-94113 - Jira Issue Macro doesn't render HTML code in a custom field