Refactor / form fields and control elements

[ChristiaanScheermeijer]

Description

• This PR introduces new Input, Select, FormField and Checkbox components
• Unifies form field labels, aria attributes and helper text in the FromField component
• Removes the “(Optional)“ marking from custom components for fields that are not required
• Adds an asterisks * to a field if it is required and ensures aria-hidden="true" is applied
  • The e2e test 'The Sign up modal will invalidate upon submit only if a value is inputted' is removed due to the fact that it is corrected in this PR: GitHub test file
• Solves: OTT-1261

This PR is based on this previously approved #105 PR

Steps completed:

According to our definition of done, I have completed the following steps:

• Acceptance criteria met
• Unit tests added
• Docs updated (including config and env variables)
• Translations added
• UX tested
• Browsers / platforms tested
• Rebased & ready to merge without conflicts
• Reviewed own code

[MelissaDTH]

@ChristiaanScheermeijer, can you also take another look at this PR (specifically to the description, maybe we need to explain more about the refactor?)

[ChristiaanScheermeijer]

@MelissaDTH I think we can submit this to the open source repo 🎉

[royschut]

🦬

[langemike]

Nice work, Chris!

[MelissaDTH]

Is merged in jw-ott-web-app repo, therefore closed