Inconsistent format for documenting required state in menuitemradio and treeitem

[ashleemboyer]

Describe the change

There are two roles that mark a state attribute as "(required)" rather than in the more common table row "Required States and Properties". They are menuitemradio and treeitem.

Link to the version of the specification or documentation you were looking at

Links to documentation:

• https://www.w3.org/TR/wai-aria-1.2/#menuitemradio
• https://www.w3.org/TR/wai-aria-1.2/#treeitem

Does the issue exists in the editors draft (the editors draft is the most recent draft of the specification)?

No