Check boolean nullsAndAnyReplicated field before more complex fields

Add partitioning push down to table scan which connector can use to
activate optional partitioning, or choose between multiple partitioning
strategies.

This replaces the existing Metadata makeCompatiblePartitioning and
getCommonPartitioningHandle methods used exclusively by Hive

Add support for pushing plan partitioning into Iceberg when Iceberg
tables use hash bucked partitioning. This enables co-located joins which
can be significantly more efficient. Additionally, since Iceberg
supports multiple independent partitioning functions, a table can
effectively have multiple distributions, which makes the optimization
more effective.

This feature can be controlled with the iceberg.bucket-execution-mode
configuration property and the bucket_execution session property. Mode
can be set to NEVER, AUTO, or ALWAYS. AUTO is the default and enables
bucked execution when the bucket count is equal to or greater than the
current node count.