It's not showing up in our rewards section of our app. I had filed under selfemployed since 2017
Will this help? How to get the Uber Discount
https://ttlc.intuit.com/community/charges-and-fees/help/how-can-i-apply-my-uber-discount-to-my-turbotax-account/00/27505
I've done what you said. It doesn't show in the app yet for some strange reason. I have used it since I started in 2017 without issues. For some strange reason 2020 doesn't want to show up yet in the Uber Driver app.
It might be too early. You have to ask Uber.