Issue Summary

Users are marked as "not a request participant" on comments on Jira Software Project for a short period of time then without any intervention, the issue gets fixed on its own.

Steps to Reproduce

1. Access an issue and check the comments. The "not a request participant" is shown by the user name. 
2. After some time, that gets fixed for that set of users. (Few hours to couple of days)
3. Then a new set of users start seeing that. 

Expected Results

As long as users have permission to browse that project and no intended permission changes, this should not be shown.

Actual Results

Users with the correct permissions, even site admins are seeing this behavior and concerning them.

Workaround

The issue gets fixed on its own after some time. No user intervention is needed.