message: fix(expressive): bump up invalid icon size for number input
diff: height: carbon--rem(48px); /* $carbon--container-04 */
  }
  + .#{$prefix}--number__input-wrapper .#{$prefix}--number__invalid {
  + width: carbon--rem(20px);
  + height: carbon--rem(20px);
  + }
  +
  .#{$prefix}--number__control-btn.up-icon,
  .#{$prefix}--number__control-btn.down-icon {
  height: $carbon--spacing-06;
  