Set ID on retrieved user from boltdb

Signed-off-by: Jared Scheib <jared.scheib@gmail.com>

bolt/internal/internal.go

@@ -414,6 +414,7 @@ func MarshalUser(u *chronograf.User) ([]byte, error) {
 		roles[i] = role.Name
 	}
 	return MarshalUserPB(&User{
+		ID:       u.ID,
 		Name:     u.Name,
 		Provider: u.Provider,
 		Scheme:   u.Scheme,

bolt/users.go

@@ -69,6 +69,7 @@ func (s *UsersStore) Add(ctx context.Context, u *chronograf.User) (*chronograf.U
 		if err != nil {
 			return err
 		}
+		u.ID = seq
 		if v, err := internal.MarshalUser(u); err != nil {
 			return err
 		} else if err := b.Put(u64tob(seq), v); err != nil {