w9

https://github.com/pmndrs/react-use-measure/blob/276be156203485ba1c1fec9c60fd7d296abe51b3/src/web/index.ts#L118

## ☕️ Reasoning The `account` argument can be `undefined` if it's not immediately after a sign-in. The current type signature does not reflect that. ## 🧢 Checklist - [x] Documentation...