[E2E] Migrate Project::Show qa-selectors to use testid

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/133010



Merged-by: Chloe Liu <yliu@gitlab.com>
Approved-by: Will Meek <wmeek@gitlab.com>
Approved-by: Serhii Yarynovskyi <syarynovskyi@gitlab.com>
Approved-by: Chloe Liu <yliu@gitlab.com>
Approved-by: Himanshu Kapoor <info@fleon.org>
Co-authored-by: John McDonnell <jmcdonnell@gitlab.com>