Navigation Hover Background in Business Central Does Not Follow PatternFly Spec

Description of problem:
If you hover over a tab next to the currently selected tab, the colors are the same. See attached screenshot. Patternfly dictates that the two colors should be different.

Version-Release number of selected component (if applicable):
6.3.0.DR2

How reproducible:
100%

Steps to Reproduce:
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Actual results:

Expected results:

Additional info:
jsniezek@redhat.com should be consulted on the fix. I've added him to the ticket.