fix(useintersectionobserver): remove ref from props and createRef in useIntersectionObserver#516

mortalYoung merged 2 commits intoDTStack:masterDTStack/dt-react-component:masterfrom

LuckyFBB:fix_useIntersectionObserverLuckyFBB/dt-react-component:fix_useIntersectionObserverCopy head branch name to clipboard