message: Change stepper icons
diff: import React from 'react'
  import { makeStyles } from '@material-ui/core/styles'
  import clsx from 'clsx'
  -import SettingsIcon from '@material-ui/icons/Settings'
  +
  import GroupAddIcon from '@material-ui/icons/GroupAdd'
  -import VideoLabelIcon from '@material-ui/icons/VideoLabel'
  +import ContactMailIcon from '@material-ui/icons/ContactMail'
  import { StepIconProps } from '@material-ui/core/StepIcon'
  import { AccessibilityNew } from '@material-ui/icons'
  import SecurityIcon from '@material-ui/icons/Security'
  +import HelpIcon from '@material-ui/icons/Help'
  const useStepIconStyles = makeStyles({
  root: {
  @@ -34,9 +35,9 @@ export default function StepIcon(props: StepIconProps) {
  const { active, completed } = props
  const icons: { [index: string]: React.ReactElement } = {
  - 1: <SettingsIcon />,
  - 2: <GroupAddIcon />,
  - 3: <VideoLabelIcon />,
  + 1: <GroupAddIcon />,
  + 2: <HelpIcon />,
  + 3: <ContactMailIcon />,
  4: <SecurityIcon />,
  5: <AccessibilityNew />,
  }
  