This allows legitimate users to permanently bypass captcha once
they've successfully logged in. Will allow unmonitored scripts more
resilience to captcha requirements
* Share globalSettings hcaptcha public key with clients
* Require captcha valid only prior to two factor
users with two factor will have already solved captcha is necessary.
Users without two factor will have`TwoFactorVerified` set to false
* Do not require CaptchaResponse on two-factor requests
* Add option to always require captcha for testing purposes
* Allow for self-hosted instances if they want to use it
* Move refresh suggestion to correct error
* Expect lifetime in helper method
* Add captcha bypass token to successful captcha validations
* Remove twofactorValidated
* PR Feedback
