[core] Fix scroll restoration in the docs

[oliviertassinari]

Fix #33196 (comment) using vercel/next.js#37893 (comment)

Before: http://mui.com/
After: https://deploy-preview-34037--material-ui.netlify.app/

---

I have also made a change so that MUI X and MUI Toolpad can do:

diff --git a/docs/next.config.js b/docs/next.config.js
index 3467a20a..e99f6bb1 100644
--- a/docs/next.config.js
+++ b/docs/next.config.js
@@ -1,4 +1,5 @@
 const path = require('path');
+const nextConfig = require('@mui/monorepo/docs/next.config');
 const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');
 // const withTM = require('next-transpile-modules')(['@mui/monorepo']);
 const pkg = require('../package.json');
@@ -27,15 +28,9 @@ if (reactStrictMode) {
 const isDeployment = process.env.NETLIFY === 'true';

 module.exports = {
-  eslint: {
-    ignoreDuringBuilds: true,
-  },
+  ...nextConfig.baseline,
   // Avoid conflicts with the other Next.js apps hosted under https://mui.com/
   assetPrefix: isDeployment ? '/x' : undefined,
-  typescript: {
-    // Motivated by https://github.com/zeit/next.js/issues/7687
-    ignoreBuildErrors: true,
-  },
   env: {
     COMMIT_REF: process.env.COMMIT_REF,
     CONTEXT: process.env.CONTEXT,
@@ -108,7 +103,6 @@ module.exports = {
       },
     };
   },
-  trailingSlash: true,
   // Next.js provides a `defaultPathMap` argument, we could simplify the logic.
   // However, we don't in order to prevent any regression in the `findPages()` method.
   exportPathMap: () => {

They should get this bug fix for free, not have to apply it again.

[oliviertassinari]

The same module is exported under these two names since v5.

[oliviertassinari]

Typo, on the homepage, above the fold

[mui-bot]

No bundle size changes

Generated by 🚫 dangerJS against 153b2d1

[mnajdova]

👍

[flaviendelangle]

Not very familiar with these portions of the architecture, but it look good to me