邮箱未验证的用户，使用手机号登录后，无法resend email（Captcha Error）

Summary

邮箱未验证的用户，使用手机号登录后，无法resend email（Captcha Error）

Steps to reproduce

This is found on Staging, to reproduce this on your dev you should run ::Feature.enable(:soft_email_confirmation) in Rails console.

1. 新注册用户，但不进行邮箱验证
2. 使用手机号进行登录
3. 在alert message中进行resend email
4. 查看 resend 页面
5. 新的注册机制，SaaS Production 应该无影响

Example Project

What is the current bug behavior?

页面提示captcha error，verify 无法正常使用

What is the expected correct behavior?

可以成功通过验证并resend email

Relevant logs and/or screenshots

Output of checks

Results of GitLab environment info

Expand for output related to GitLab environment info

(For installations with omnibus-gitlab package run and paste the output of:
`sudo gitlab-rake gitlab:env:info`)

(For installations from source run and paste the output of:
`sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production`)

Results of GitLab application Check

Expand for output related to the GitLab application check

(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:check SANITIZE=true)
(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true)
(we will only investigate if the tests are passing)

Possible fixes