Bug - DescriptionList - help text cannot be triggered via keyboard

[thatblindgeye]

Describe the problem
The term help text on description list cannot be triggered via keyboard, only via mouse.

How do you reproduce the problem?
Go to the term help text example and try opening the popover via keyboard Enter or Space, notice that it does not work.

Expected behavior
The term help text can be triggered via mouse or keyboard.

Is this issue blocking you?
List the workaround if there is one.

Screenshots
If applicable, add screenshots to help explain the issue.

What is your environment?

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

What is your product and what release date are you targeting?

Any other information?