message: fix: wrapped stories with feature flag
diff: import React from 'react';
  import { storiesOf } from '@storybook/react';
  +import { SIMPLELONGFORM } from '../../../internal/FeatureFlags';
  import { withKnobs, text, select, object } from '@storybook/addon-knobs';
  import '../../../../../styles/scss/patterns/simplelongform/index.scss';
  import SimpleLongForm from '../SimpleLongForm';
  import readme from '../README.md';
  +if (SIMPLELONGFORM) {
  storiesOf('Simple Long Form', module)
  .addDecorator(
  withKnobs({
  @@ -66,3 +68,4 @@ storiesOf('Simple Long Form', module)
  </div>
  );
  });
  +}
  