EMULSIF-235: Convert forms to support SDC

[mariannuar]

Summary

This PR updates the yml file and stories.js file of all the Forms components to meet the schema the Single Directory Component uses it

How to review this pull request

• Run npm run storybook
• Go to http://localhost:6006/?path=/story/components-forms--checkboxes, http://localhost:6006/?path=/story/components-forms--radio-buttons and http://localhost:6006/?path=/story/components-forms--select-dropdowns
• Confirm all the form components are still looking and working as expected
• Just a heads up that the Select component wasn't using the tokens as expected, so now it should look like the design

[joetower]

@mariannuar 👍 Look good