GH-49392: [C++][Compute] Fix fixed-width gather byte offset overflow in list filtering#49602

zanmato1984 merged 2 commits intoapache:mainapache/arrow:mainfrom

zanmato1984:fix/gh-49392-list-filter-overflowzanmato1984/arrow:fix/gh-49392-list-filter-overflowCopy head branch name to clipboard