Include all .js files in the client manifest

This is not going to fly for any serious implementation. It pretty much
has to do a pre-compile pass over the server graph to discover the files
to include.

This is enough to run our fixture though.

fixtures/flight/config/webpack.config.js

@@ -752,7 +752,14 @@ module.exports = function (webpackEnv) {
       //     },
       //   }),
       // Fork Start
-      new ReactFlightWebpackPlugin({isServer: false}),
+      new ReactFlightWebpackPlugin({
+        isServer: false,
+        clientReferences: {
+          directory: './src',
+          recursive: true,
+          include: /\.(js|ts|jsx|tsx)$/,
+        },
+      }),
       // Fork End
     ].filter(Boolean),
     // Turn off performance processing because we utilize

packages/react-server-dom-webpack/src/ReactFlightWebpackPlugin.js

@@ -79,7 +79,7 @@ export default class ReactFlightWebpackPlugin {
         {
           directory: '.',
           recursive: true,
-          include: /\.client\.(js|ts|jsx|tsx)$/,
+          include: /\.(js|ts|jsx|tsx)$/,
         },
       ];
     } else if (
@@ -231,7 +231,7 @@ export default class ReactFlightWebpackPlugin {
               // That way we know by the type of dep whether to include.
               // It also resolves conflicts when the same module is in multiple chunks.
 
-              if (!/\.client\.(js|ts)x?$/.test(module.resource)) {
+              if (!/\.(js|ts)x?$/.test(module.resource)) {
                 return;
               }