Follow up: fix sso_trial_flow_company_creating_project_spec.rb

Failed job

https://jihulab.com/gitlab-cn/gitlab/-/jobs/7733869

1) Trial flow for user picking company and creating a project registers the user and creates a group and project reaching onboarding
     Failure/Error: super
     Capybara::ElementNotFound:
       Unable to find link "oauth-login-google_oauth2"
       Timeout (30s) reached while running a waiting Capybara finder.
       Consider using a non-waiting finder.
       See https://www.cloudbees.com/blog/faster-rails-tests

Why

Jihu does not support google_oauth2, while Upstream uses google_oauth2 as the default parameter during testing.

How to fix

Change default parameter in spec from google_oauth2 to gitlab.