Strikeout not appearing in the new issue detail view

Summary

In the new issue, detail view the single line custom field presenting a JIRA issue already resolved won't show the strikeout as on the old view.

Steps to Reproduce

1. Create a custom field of the Text field(single line) type
2. Create two issues
3. Resolve on of them and have it written in the custom field of the second issue

Expected Results

The strikeout should be presented as on the old view:

Actual Results

The field value is treated as simple text and does not link to the JIRA issue:

Workaround