PF4: make more navigation components OUIA compatible

[vmuzikar]

This issue tracks implementation of OUIA compatibility for nav components:

• Nav feat(Nav): Added OUIA compatibility to Nav component #2956
• NavItem
• NavExpandable
• NavList
• NavGroup

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.

[vmuzikar]

Why was this closed? Isn't this still valid?