message: fixed zero value render
diff: @@ -25,7 +25,7 @@ export function Checkbox(props: CheckboxProps) {
  <label className={css(classes.wrapper, props.disabled && classes.disabled, style)}>
  <Input {...rest} inputRef={inputRef} type='checkbox' className={inputClasses.input} />
  <span className={classes.check} />
  - {label && <span className={classes.label}>{label}</span>}
  + {(label || label === 0) && <span className={classes.label}>{label}</span>}
  </label>
  )
  }
  