Vite should add the let require = createRequire() banner to ssr outputs if platform target is node and esm

[remorses]

Currently if you have ssr.noExternal: true and generate an ssr esm bundle you will get the error require is not defined when trying to run the bundle with Node at runtime if you use commonjs packages.

In my opinion Vite should add the same createRequire banner it adds during optimization:

vite/packages/vite/src/node/optimizer/index.ts

Line 792 in 22b2994

js: `import { createRequire } from 'module';const require = createRequire(import.meta.url);`,

What do you think?