Jira Service Desk Customer Request Type not showing in subscription email

Summary

The Customer Request Type field is showing as completely empty in the subscription email.

Steps to Reproduce

1. Subscribe to a filter which has the 'Customer Request Type' column (see example of filter below):
   
2. Trigger the subscription and monitor the email notification

Expected Results

The Customer Request type is not showing as in the subscription email

Actual Results

The Customer Request type is showing as in the subscription email

Workaround

No workaround as of now

Notes

• This bug might be related to this other bug where the Customer Request Type is empty in HTML format exports in recent versions of Service Desk
• This bug is not reproducible on older versions of Service Desk (3.6.1, 3.9.1). On older versions, the Customer Request Type is displayed in the Subscription Email (although the icon is not loaded)