refactor(cubesql): Extract CubeScanWrappedSqlNode from CubeScanWrapperNode #2410

Job	Run time
latest-tag-sha	18s
Build native Linux 20 x86_64-unknown-linux-gnu Python fallback	2m 11s
build	6m 21s
tests (20.x, athena-export-bucket-s3)	12m 22s
tests (20.x, bigquery-export-bucket-gcs)	15m 31s
tests (20.x, clickhouse)	4m 46s
tests (20.x, clickhouse-export-bucket-s3)	4m 47s
tests (20.x, databricks-jdbc)	5m 45s
tests (20.x, databricks-jdbc-export-bucket-s3)	6m 24s
tests (20.x, databricks-jdbc-export-bucket-azure)	7m 6s
tests (20.x, mssql)	4m 50s
tests (20.x, mysql)	5m 11s
tests (20.x, postgres)	5m 9s
tests (20.x, snowflake)	5m 42s
tests (20.x, snowflake-export-bucket-s3)	5m 12s
tests (20.x, snowflake-export-bucket-azure)	5m 15s
tests (20.x, snowflake-export-bucket-azure-via-storage-integration)	5m 10s
tests (20.x, snowflake-export-bucket-gcs)	5m 10s
	1h 47m 10s

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