Add oauth support for the frontend

[sarge]

ADO card: ☑️ AB#XXXX

Elab notes/AC: 📃 Google Docs

Designs:

• https://www.figma.com/file/HjvwIJ5DmnwEjoDPG8x10O/VeriPlay%2FTrusted-ScreenPlus-Account?node-id=207%3A1166

Description of work

Allow SSO to feedback if the login failed due the email not being verified or if MFA was required.

Edge cases/Caveats/Known issues

Config settings/Toggles required for the feature to work

Related PRs

Any PRs which this PR depends on

• Relish?
• Kibble?
• APIs?

Any PRs dependent on this one

• Relish?
• Kibble?
• APIs?

Affected Clients

• All clients who use Kibble
• Client 1
• Client 2

Checklist

• CI tests are passing Github actions (inc. linting)
• Key areas of the feature outlined for context and testing
• If there are designs for this work are they noted here and in the ADO card
• Design review
• Have checked this at multiple screen resolutions and range of browsers
• Moved ADO card to Dev/done, checked link to Github, tagged "Review"
• Updated changelog (if applicable)
• I promise to document any new feature toggles/configurations in the appropriate documentation

[PeculiarGoat]

Couple of bits to look at but overall seems good!