message: fix(Stepper): should format model-value
diff: @@ -201,7 +201,9 @@ export default createComponent({
  input.value = formatted;
  }
  - setValue(formatted);
  + // perfer number type
  + const isNumeric = formatted === String(+formatted);
  + setValue(isNumeric ? +formatted : formatted);
  };
  const onFocus = (event: Event) => {
  @@ -290,7 +292,7 @@ export default createComponent({
  () => props.modelValue,
  (value) => {
  if (!equal(value, current.value)) {
  - current.value = value!;
  + current.value = format(value!);
  }
  }
  );
  