API: partial revert of returning read-only EAs from .array/.values#63212

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

jorisvandenbossche:cow-read-only-array-partial-revertjorisvandenbossche/pandas:cow-read-only-array-partial-revertCopy head branch name to clipboard