Bug - [Tabs] - [Scroll buttons rendered with Vertical tabs]

[tlabaj]

Describe the problem A clear and concise description of the problem. Which components are affected? Tabs

How do you reproduce the problem? Vertical tabs render scroll buttons which are only applicable for horizontal tabs.

Expected behavior Scroll buttons should not be rendered for vertical tabs

Screenshots If applicable, add screenshots to help explain the issue.

Right button

Left button

What is your product and what release date are you targeting? CoreOS