message: Do not allow going back on thank you step
diff: @@ -186,6 +186,9 @@ export default function SupportForm(this: typeof SupportForm) {
  }
  const goToStep = (step: number) => {
  + if (isThankYouStep(activeStep, steps)) {
  + return undefined
  + }
  if (step <= maxStep) {
  return () => setActiveStep(step)
  }
  