Fix #30416. Backport #30429 Before (it shows as "Unset" while there's a token): <img width="980" alt="image" src="https://github.com/go-gitea/gitea/assets/9418365/d7148e3e-62c9-4d2e-942d-3d795b79515a"> After: <img width="977" alt="image" src="https://github.com/go-gitea/gitea/assets/9418365/24aaa1db-5baa-4204-9081-470b15ea72b5"> The username shows as "oauth2" because of f9fdac9809/services/migrations/dump.go (L99) I have checked that all usage of `MirrorRemoteAddress` has been updated. <img width="1806" alt="image" src="https://github.com/go-gitea/gitea/assets/9418365/2f042501-2824-4511-9203-c84a6731a02d"> However, it needs to be checked again when backporting. Co-authored-by: Jason Song <i@wolfogre.com>
f9fdac9809/services/migrations/dump.go (L99)
