Fix error `value_counts` result with pyarrow categorical columns#60949

mroeschke merged 4 commits intopandas-dev:mainpandas-dev/pandas:mainfrom

chilin0525:fix-error-value-counts-result-with-pyarrow-categorical-columns-with-nullschilin0525/pandas:fix-error-value-counts-result-with-pyarrow-categorical-columns-with-nullsCopy head branch name to clipboard