Jericho Arcelao

`synthesizer.synthetic_goldens` not extended when using `generate_goldens_from_goldens`

1

Goldens generated using the `generate_goldens_from_goldens` method are not appended to `Synthesizer.synthetic_goldens`. This causes failures in functions such as `Synthesizer.to_pandas()` ### Steps to Reproduce ```python from deepeval.dataset.golden import Golden from deepeval.synthesizer...