feat: unify data stats and partition values in DataSkippingFilter#1948

DrakeLin wants to merge 2 commits intodelta-io:maindelta-io/delta-kernel-rs:mainfrom

DrakeLin:stack/unify-data-skipping-stats-partitionDrakeLin/delta-kernel-rs:stack/unify-data-skipping-stats-partitionCopy head branch name to clipboard