Fix login redirection links (#17451)
Fix login redirection links (#17451)

Co-authored-by: wxiaoguang <afddda5b6ea4f5ea4386c1c8946f240cce9ffa2e@gmail.com>
Co-authored-by: Lunny Xiao <0b0704cdf8f0790c6f1df1f74c38be95a8917ed2@gmail.com>
Co-authored-by: zeripath <6a547fdd28db89120bdd70d4af1f9ba672ccd43a@cantab.net>
go-gitea/gitea,go-gitea/gitea,go-gitea/gitea