eval call in textarea.js
https://github.com/jenkinsci/jenkins/blob/19edf146946dd0e1b8ec5b909d002ffca53e8209/core/src/main/resources/lib/form/textarea/textarea.js#L6
https://www.jenkins.io/doc/developer/security/csp/#eval-calls
https://www.jenkins.io/doc/developer/security/csp/#testing
jenkinsci/jenkins/pull/6867
jenkinsci/jenkins/pull/8351
PR#6867