message: fix(select): fixed icon sizes and margins
diff: .#{$prefix}--select-input {
  height: rem(48px);
  }
  + .#{$prefix}--select__invalid-icon {
  + height: rem(20px);
  + width: rem(20px);
  + margin-right: rem(12px);
  + }
  + .#{$prefix}--select__arrow {
  + height: rem(20px);
  + width: rem(20px);
  + }
  }
  