Fix deep copy bug with precanned users

user/session.go

@@ -471,6 +471,7 @@ func (s *SessionObj) GetCurrentUser() (currentUser *User) {
 		currentUser = &User{
 			User:     s.CurrentUser.User,
 			Username: s.CurrentUser.Username,
+			Precan:   s.CurrentUser.Precan,
 		}
 	}
 	return currentUser

user/user.go

@@ -125,6 +125,7 @@ func (u *User) DeepCopy() *User {
 	nu := new(User)
 	nu.User = u.User
 	nu.Username = u.Username
+	nu.Precan = u.Precan
 	return nu
 }