fix(postgresql): Normalize types in Postgres destination #9143
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Fixes #9141. This will allow CloudQuery to sync to tables that had their schemas created by some external process, as long as the column can be normalized to a CloudQuery type. This is mostly useful for Postgres -> Postgres sync use cases right now. As we improve the internal type system, we should be able to do away with these training wheels and create the same column types on the destination as we find on the source for such cases.
The type normalization is copied from the Postgres source