Change the list features to the format of a description list (#17237)

[stianst]

CIAM-5050

[ghost]

Unreported flaky test detected, please review

[ghost]

Unreported flaky test detected

If the below flaky tests below are affected by the changes, please review and update the changes accordingly. Otherwise, a maintainer should report the flaky tests prior to merging the PR.

org.keycloak.testsuite.webauthn.account.WebAuthnSigningInTest#multipleSecurityKeys

Keycloak CI - WebAuthn IT (firefox)

org.openqa.selenium.NoSuchElementException: 
Unable to locate element: #page\-sidebar
For documentation on this error, please visit: https://selenium.dev/exceptions/#no_such_element
Build info: version: '4.1.0', revision: '87802e897b'
System info: host: 'fv-az485-109', ip: '10.1.0.41', os.name: 'Linux', os.arch: 'amd64', os.version: '5.15.0-1033-azure', java.version: '17.0.6'
...

Report flaky test