Swiping up from the bottom brings up the App drawer as usual, so the launcher is kind of working. I have set it as "Home" app.
The functionality became broken with the latest EMUI update I think.
I have attached a screenshot, but you only see a lack of dock there..
Device: Huawei P30
Build Number: 10.1.0.123(C431E22R2P5) GPU Turbo
EMUI Version: 10.1.0
Android Version 10
Processor: Huawei Kirin 980
Kernel Version 4.14.116
Google Play system update: 2020-015-01