fix(converter): li_itself join에서 XHTML에 없는 공백 삽입을 제거합니다#987

jk-kim0 merged 2 commits intomainquerypie/querypie-docs:mainfrom

jk/fix-reverse-sync-li-p-leading-spacequerypie/querypie-docs:jk/fix-reverse-sync-li-p-leading-spaceCopy head branch name to clipboard