message: fix(gatsby-plugin): add react import to gatsby-ssr
diff: -export { wrapRootElement } from "./gatsby-browser"
  +import React from "react"
  import { InitializeColorMode } from "@chakra-ui/core"
  +export { wrapRootElement } from "./gatsby-browser"
  export const onRenderBody = ({ setPreBodyComponents }) => {
  setPreBodyComponents([<InitializeColorMode />])
  