Kuklin Stas comments

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                                            Kuklin Stas

![image](https://github.com/moleculerjs/moleculer/assets/3361843/35151efb-24f9-4cfe-845c-d780af9f94ed)

I've found cloneDeep was used to omit handler properties from services object. It breaks CBOR serializer e2e tests.

@icebob Can you look this PR, please?