Custom field ´Impact´ is mysteriously created

Issue Summary

Customer reporting custom field ´Impact´ was created by him according to the audit log but claims he didn't create it.

Steps to Reproduce

Not been replicable but below are the steps that should reproduce it. However, a620038e6229 could confirm in this Slack thred he could already see 2 Impact fields in his instance.

1. Go to a test site
2. Enable JSM product
3. Create a project ITSM-1, and the Impact field should be created.
4. Create another JSM project ITSM-11 with the option Share settings with an existing project and choose ITSM-1 for it

Expected Results

The existing Impact field should be used

Actual Results

Another Impact field was created

Workaround

Remove the duplicate and assign the existing field manually.