message: Update max-height of contextual Modal variant
  The gap at the top should be 24px according to the design guidelines.
diff: @@ -109,7 +109,7 @@ const contentVariantStyles = ({
  if (variant === 'contextual') {
  return css`
  ${theme.mq.untilKilo} {
  - max-height: calc(100vh - ${theme.spacings.mega});
  + max-height: calc(100vh - ${theme.spacings.giga});
  }
  /* iOS viewport bug fix */
  