I apologize for this problem.This suppose not be happen.
For emergency revert please go to below link, scroll down to the bottom of the page and select 2.3.1 version from the dropdown and download that specific version. Then upload it again in your site.
Let me know if helps you to resolve your issue.
Hello, please let me if your problem still exists or not.
I also test previous and current, nothing breaks here.
If you give me more details, I can help you regarding this purpose.
For the long time of inactivity and no response from your side, I resolve this issue. Fell free to create another ticket, if you have any further problem.