Implement missing methods from response object to fix the middleware issue in next 14.4.12 or lower.

[vladiulianbogdan]

This pull request fixes an issue where the middlewares were not functioning properly with the combination of versions specified below. Specifically, the "Middleware — redirect" functionality was failing to work as expected.

SST v2.43.2
Next.js version : 13.4.12
OpenNext v3.0.2

The error was the following:

TypeError: res.send is not a function
    at Object.fn (/var/task/node_modules/next/dist/server/next-server.js:1933:33)
    at async Router.execute (/var/task/node_modules/next/dist/server/router.js:315:32)
    at async NextNodeServer.runImpl (/var/task/node_modules/next/dist/server/base-server.js:624:29)
    at async NextNodeServer.handleRequestImpl (/var/task/node_modules/next/dist/server/base-server.js:549:20)

The implementation adds the missing methods used by next.

[vercel]

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[khuezy]

Would it be possible if the header was somehow set to null?

[conico974]

It's mostly copied from next code directly, i assume it must be fine https://github.com/vercel/next.js/blob/6474cf0fe3046c148aceb7f6879c959d778457b0/packages/next/src/server/base-http/node.ts#L124-L132

[conico974]

LGTM Thanks!