Organize webpack configuration imports (#8711)

This PR simply organizes the webpack config imports.

packages/next/build/webpack-config.ts

+import crypto from 'crypto'
 import ForkTsCheckerWebpackPlugin from 'fork-ts-checker-webpack-plugin'
-import {
-  CLIENT_STATIC_FILES_RUNTIME_MAIN,
-  CLIENT_STATIC_FILES_RUNTIME_WEBPACK,
-  REACT_LOADABLE_MANIFEST,
-  SERVER_DIRECTORY,
-  SERVERLESS_DIRECTORY,
-} from '../next-server/lib/constants'
-import { resolveRequest } from '../lib/resolve-request'
 import path from 'path'
-import crypto from 'crypto'
-import webpack from 'webpack'
 // @ts-ignore: Currently missing types
 import PnpWebpackPlugin from 'pnp-webpack-plugin'
+import webpack from 'webpack'
 
 import {
   DOT_NEXT_ALIAS,
@@ -20,6 +12,14 @@ import {
   PAGES_DIR_ALIAS,
 } from '../lib/constants'
 import { fileExists } from '../lib/file-exists'
+import { resolveRequest } from '../lib/resolve-request'
+import {
+  CLIENT_STATIC_FILES_RUNTIME_MAIN,
+  CLIENT_STATIC_FILES_RUNTIME_WEBPACK,
+  REACT_LOADABLE_MANIFEST,
+  SERVER_DIRECTORY,
+  SERVERLESS_DIRECTORY,
+} from '../next-server/lib/constants'
 import { WebpackEntrypoints } from './entries'
 import BuildManifestPlugin from './webpack/plugins/build-manifest-plugin'
 import { ChunkGraphPlugin } from './webpack/plugins/chunk-graph-plugin'
@@ -30,11 +30,11 @@ import NextEsmPlugin from './webpack/plugins/next-esm-plugin'
 import NextJsSsrImportPlugin from './webpack/plugins/nextjs-ssr-import'
 import NextJsSSRModuleCachePlugin from './webpack/plugins/nextjs-ssr-module-cache'
 import PagesManifestPlugin from './webpack/plugins/pages-manifest-plugin'
+// @ts-ignore: JS file
+import { ProfilingPlugin } from './webpack/plugins/profiling-plugin'
 import { ReactLoadablePlugin } from './webpack/plugins/react-loadable-plugin'
 import { ServerlessPlugin } from './webpack/plugins/serverless-plugin'
 import { TerserPlugin } from './webpack/plugins/terser-webpack-plugin/src/index'
-// @ts-ignore: JS file
-import { ProfilingPlugin } from './webpack/plugins/profiling-plugin'
 
 type ExcludesFalse = <T>(x: T | false) => x is T