fix keyboard nav for about page

[aalves08]

Summary

Fixes #12786

Occurred changes and/or fixed issues

• Fix keyboard nav for about page

Technical notes summary

Areas or cases that should be tested

• Go to the about page, click on the page and browse the UI elements with the tab key
• use enter or space key to trigger UI elements on the page

Areas which could experience regressions

Screenshot/Video

Screen.Recording.2024-12-30.at.16.17.42.mov

Checklist

• The PR is linked to an issue and the linked issue has a Milestone, or no issue is needed
• The PR has a Milestone
• The PR template has been filled out
• The PR has been self reviewed
• The PR has a reviewer assigned
• The PR has automated tests or clear instructions for manual tests and the linked issue has appropriate QA labels, or tests are not needed
• The PR has reviewed with UX and tested in light and dark mode, or there are no UX changes

[aalves08]

@rak-phillip @nwmac PR updated based on last comments

[aalves08]

Final update @nwmac