pub async fn claim_student_number_verification_token(
user: AuthUser,
pool: Data<PgPool>,
path: Path<String>,
) -> ControllerResult<Json<ClaimStudentNumberVerificationTokenResult>>Expand description
POST /api/v0/main-frontend/credit-registrations/student-number-verifications/{token}/claim - Spends
a mailed link and links the student number to the signed-in account.
Any signed-in account may claim any valid token: holding it proves control of the Sisu-held mailbox, and the session says which of our accounts the person wants to use.