Switch to aria-orientation for ink-c-button-group orientation control.
Review Request #13682 — Created March 30, 2024 and submitted — Latest diff uploaded
ink-c-button-grouphad defined an-is-verticalmodifier to control
orientation. This has been removed, replacing it with the more
accessibility-friendlyaria-orientation. This attribute is more
explicit about the orientation options, and communicates it to screen
readers as well.
Unit tests pass.
Tested the
aria-orientationvalues in Storybook.