[MAINTENANCE] Config/Schema round_tripping

[Kilo59]

Changes proposed in this pull request:

• dict_round_trip() classmethod for Config (AbstractConfig) to help deserialization/serialization issues related to mismatched keys - (id_ vs id).

Helper method for doing this kind of logic. https://github.com/great-expectations/great_expectations/pull/5664/files#diff-1cf90172245fa16e9942295256f93f6dd99708bdcf0d2190a4678fafcfa07519

Alternatives

class method on Config that acts like a factory and can ingest a dictionary

Definition of Done

Please delete options that are not relevant.

• [ ] My code follows the Great Expectations style guide
• [ ] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] I have added unit tests where applicable and made sure that new and existing tests are passing.
• [ ] I have run any local integration tests and made sure that nothing is broken.

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Legend

[Kilo59]

A Config.factory(), or Config.from_dict() method might express the intent of this method better.