feat(auth): allow to force login on idp for exiting user

[nadetastic]

Description of changes

• add a boolean to input options when calling signInWithRedirect
• forces the account selector screen in idp
• requires that the managed branding (and not hosted ui classic) to be set in the user pool

Issue #, if available

https://github.com/aws-amplify/amplify-js/issues/4044

Description of how you validated changes

Checklist

• [ ] PR description included
• [ ] yarn test passes
• [x] Unit Tests are changed or added
• [ ] Relevant documentation is changed or added (and PR referenced)

Checklist for repo maintainers

• [ ] Verify E2E tests for existing workflows are working as expected or add E2E tests for newly added workflows
• [ ] New source file paths included in this PR have been added to CODEOWNERS, if appropriate

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[osvaldoesco]

@nadetastic Is it not possible to send manually which prompt we want to display, in my case I need to use the select_account, so I can show the UI to pick the accounts, I think none, will do a silent login. so if one account is already cached, it will login immediately with that one.

[HappyRainy]

Hey team, any update for this commit? We need this feature badly.

[adrianjoshua-strutt]

All updates will be moved to this newly created PR: https://github.com/aws-amplify/amplify-js/pull/14464