MDEV-38120: Move Json_string and Json_saved_parser_state into sql_json_lib.h#4447

bsrikanth-mariadb merged 1 commit intomainMariaDB/server:mainfrom

12.3-mdev-38120-create-sql_json_lib-fileMariaDB/server:12.3-mdev-38120-create-sql_json_lib-fileCopy head branch name to clipboard