MDEV-39942: use actual_rec_per_key in loose scan sj optimization#5284

bsrikanth-mariadb wants to merge 2 commits into

mainMariaDB/server:mainfrom

13.1-MDEV-39942-loose-scan-sj-opt-uses-rec_per_keyMariaDB/server:13.1-MDEV-39942-loose-scan-sj-opt-uses-rec_per_keyCopy head branch name to clipboard