message: add DateTextField handleBlur method
diff: @@ -87,6 +87,11 @@ export default class DateTextField extends PureComponent {
  }
  }
  + handleBlur = (e) => {
  + e.preventDefault();
  + e.stopPropagation();
  + };
  +
  handleChange = (e) => {
  const {
  format,
  @@ -190,7 +195,7 @@ export default class DateTextField extends PureComponent {
  error={!!error}
  helperText={error}
  onKeyPress={this.handleKeyPress}
  - onBlur={e => e.preventDefault() && e.stopPropagation()}
  + onBlur={this.handleBlur}
  disabled={disabled}
  value={displayValue}
  {...other}
  