Generate CypherStep from IR blocks within fold scopes (#458)
Generate CypherStep from IR blocks within fold scopes (#458)

* Generate CypherStep from IR blocks within fold scopes

* Address comments

* Plumb query_metadata_table through folded CypherStep generation

* Sanity check leftover IR blocks after generating CypherSteps

kensho-technologies/graphql-compiler,kensho-technologies/graphql-compiler