Environment Information

• Package version(s): 7.84.0
• Browser and OS versions: Chrome -Version 79.0.3945.130, Windows 10 - Version 1903, OS Build - 18362.476

Describe the issue:

When navigating using NVDA or JAWS, the focus indicator is not visible upon activating "Contextual Menu Button" using keyboard.

• The ms-Fabric--isFocusVisible class is being changed to ms-Fabric--isFocusHidden upon activating the contextual menu button.

Please provide a reproduction of the issue in a codepen:

https://codepen.io/iamrafan/pen/RwNdpOK?editable=true

Actual behavior:

The focus indicator on the first menuitem "Email Message" is not visible after activating the "New item" menu using a keyboard

Expected behavior:

The focus indicator on the first menuitem "Email Message" should be visible after activating the "New item" menu using a keyboard

Documentation describing expected behavior

https://www.w3.org/TR/wai-aria-practices-1.1/#kbd_focus_discernable_predictable