Environment:

• CTFd Version/Commit: 3.7.4
• Operating System: Linux
• Web Browser and Version: Firefox

What happened?
The attribution field is not displayed in theme core (but it is displayed in core-beta )

What did you expect to happen?
The attribution field is visible in both theme.

How to reproduce your issue

• Create a Standard challenge with an attribution
• In /admin/config > Theme : core
• View the challenge