react-spectrum

0df71d90 - feat: support sections and headers in RAC gridlist (#8667)

feat: support sections and headers in RAC gridlist (#8667) * initialize gridlist section and headers * add test for gridlist sections * add tests, cleanup * fix lint * remove spacing * merge props, useLabels * follow-up * fix aria-rowindex * remove aria-rolindex for headers * pass state and ref to hook * fix lint