开启MFA的用户，无法通过手机号正常登录

Summary

开启MFA的用户，无法通过手机号正常登录

Steps to reproduce

1. 用户开启MFA （用户设置 -> 账户 -> 双重认证 -> 启用双重认证）
2. 使用手机号进行登录
3. 异常提示 Invalid login or password，无法正常登录

Example Project

What is the current bug behavior?

异常提示 Invalid login or password，无法正常登录

What is the expected correct behavior?

用户可以正常登录

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