Revert "[fixed] Dont change body class if isOpen not change (#201)"
Revert "[fixed] Dont change body class if isOpen not change (#201)"

This reverts commit 1e29e4f3bd482bf3320969abbda6c586801bd283.

diasbruno/react-modal,reactjs/react-modal,dminuoso/react-modal,reactjs/react-modal,bluSCALE4/react-modal,rackt/react-modal,seanich/react-modal,bluSCALE4/react-modal,seanich/react-modal,diasbruno/react-modal,mgh/react-modal,mgh/react-modal,springload/react-modal,springload/react-modal,rackt/react-modal,bluSCALE4/react-modal,seanich/react-modal,oisu/react-modal,springload/react-modal,oisu/react-modal,reactjs/react-modal,dminuoso/react-modal,diasbruno/react-modal