Fix --use-pnp for Yarn 2 (#8460)
Fix --use-pnp for Yarn 2 (#8460)


Timer/create-react-app,Timer/create-react-app,jdcrensh/create-react-app,Timer/create-react-app,facebookincubator/create-react-app,jdcrensh/create-react-app,Timer/create-react-app,jdcrensh/create-react-app,facebookincubator/create-react-app,facebookincubator/create-react-app,jdcrensh/create-react-app