I try to use the mobile-stepper component (https://material-ui.com/demos/steppers/#mobile-stepper-progress) in Hyperstack but I get this error:
Failed prop type: Invalid prop `nextButton` supplied to `MobileStepper`, expected a ReactNode.
in MobileStepper
It renders just the progress bar but no buttons.
Tried various ways i.e.:
Mui.MobileStepper( variant: "progress", steps: 6, position: "static",
nextButton: lambda { Mui.Button(size: "small") {'next'} },
backButton: lambda { Mui.Button(size: "small") {'back'} })