Fix #405 [Accessibility] TabList: selectItem on focus only after a keyboard navigation event (#406)
* Fix #405 [Accessibility] TabList: selectItem on focus only after a keyboard navigation event
It should be possible to navigate to an unselected Tab using VoiceOver cursor, even when keyboardActivation="automatic", without the Tab automatically getting selected.
Fix #405 [Accessibility] Support keyboardActivation="manual" for StepList
@trivial remove unused event handler
* Update per code review