Fix typo in comment: `?.` is right, not `.?` (#8124)
Fix typo in comment: `?.` is right, not `.?` (#8124)

This is just a comment fix.

Actual optional chaining operator syntax is `?.`, not `.?`.
jdcrensh/create-react-app,facebookincubator/create-react-app,d3ce1t/create-react-app,jdcrensh/create-react-app,Timer/create-react-app,Timer/create-react-app,jdcrensh/create-react-app,facebookincubator/create-react-app,d3ce1t/create-react-app,d3ce1t/create-react-app,d3ce1t/create-react-app,Timer/create-react-app,facebookincubator/create-react-app,jdcrensh/create-react-app,Timer/create-react-app