fixed the new plain text value passed to onChange when hitting backspace
fixed the new plain text value passed to onChange when hitting backspace

pocketjoso/react-mentions,rodrigues/react-mentions,effektif/react-mentions,younited/react-mentions,pocketjoso/react-mentions,effektif/react-mentions,younited/react-mentions,pocketjoso/react-mentions,rodrigues/react-mentions,rodrigues/react-mentions,younited/react-mentions