Describe the bug

In 2.0.0-rc.28 clicking on a b-nav s b-nav-item does not change the active selection visually on the tabs

Steps to reproduce the bug

1. Create a b-nav with at least 2 b-nav-items
2. Make the b-nav <b-nav tabs justified>
3. Run
4. Click on the nav tabs/links

Expected behavior

Adding the active class to the <a> tag when navigating to the link and removing the class from the other tags if applicable

Versions

Libraries:

• BootstrapVue: 2.0.0-rc.28
• Bootstrap: 4.3.1
• Vue: 2.6.10

Environment:

• Device: Computer
• OS: Archlinux
• Browser: Chromium
• Version: 75.0.3770.142