Admin Navigation Tab Double Highlighting

[jacobherrington]

Steps to reproduce

In the admin area, navigate to a product and then click "Product Stock."

Expected behavior

On the nav, the Stock tab should be highlighted.

Actual behavior

Both the Product and Stock navigation tabs are highlighted.

System configuration

Solidus Version:

2.8.0.alpha

Extensions in use:
N/A

[aitbw]

I'll have a look at this one :)