Added check for variable editor to make sure it was not undefined.
Added check for variable editor to make sure it was not undefined.

favorit/react-quill,lramsey/react-quill,zenoamaro/react-quill,tausch86/react-quill-es6,druti/react-quill,lramsey/react-quill,druti/react-quill,favorit/react-quill,zenoamaro/react-quill,tausch86/react-quill-es6