Minor updates to BaseMetastoreTableOperations#390
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The Java implementation switched to using overwrite for metadata writes in 2019 (apache/iceberg#390) to avoid S3 negative caching. The Python implementation was never updated to match. This also fixes metadata writes to stores that don't support ListObjectsV2 (e.g. S3 Tables), since the exists() check in create() uses ListObjectsV2. See: https://github.com/apache/iceberg/blob/bd8d2895847bdce71b119f4cb7a83b2e1a58ea73/core/src/main/java/org/apache/iceberg/BaseMetastoreTableOperations.java#L159-L162
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This includes 2 updates to BaseMetastoreTableOperations: