Consume core updates: Notification Drawer ( Follow up to issue)

[tlabaj]

Follow up to core issue patternfly/patternfly#5714
Also depend on core issue patternfly/patternfly#6162 for menu styling

[andrew-ronaldson]

I don't see any react follow up based on the Core examples

[tlabaj]

@mcoker @srambach Can one of you verify this looks god in React.

[mcoker]

LGTM! 👍