Enter focus mode when activating editable list (#16325)
Fixes #13642
Summary of the issue:
In Firefox, pressing enter on a list item in an editable region does not switch to focus mode.
Description of user facing changes
NVDA will switch to focus mode when pressing enter on an editable list item.
Description of development approach
Restricted the cases in which NVDA will drop the controlTypes.State.EDITABLE to exclude objects with a role of controlTypes.Role.LIST and LISTITEM.
