message: pass readOnly prop to TextField properly
diff: @@ -133,7 +133,10 @@ export default class DateTextField extends PureComponent {
  const localInputProps = {
  inputComponent: MaskedInput,
  - inputProps: { mask },
  + inputProps: {
  + mask,
  + readOnly: true,
  + },
  };
  if (keyboard) {
  @@ -146,7 +149,6 @@ export default class DateTextField extends PureComponent {
  return (
  <TextField
  - readOnly
  onClick={this.handleFocus}
  error={!!error}
  helperText={error}
  