Port of https://github.com/go-gitea/gitea/pull/32204
(cherry picked from commit d6d3c96e6555fc91b3e2ef21f4d8d7475564bb3e)
Conflicts:
routers/api/v1/api.go
services/context/api.go
trivial context conflicts
(cherry picked from commit a052d2b602)
Conflicts:
routers/api/v1/user/user.go
trivial context conflict (search by email is not in v9.0)
ea5a8c7809