Fix webpack web bundle crash on Windows: use DefinePlugin to set process.platform to 'browser'

Agent-Logs-Url: https://github.com/LinkedSoftwareDependencies/Components.js/sessions/564588ce-af32-4dca-b68b-2522414fed80

Co-authored-by: rubensworks <440384+rubensworks@users.noreply.github.com>

Author: Copilot

test/webpack/webpack.config-web.js

@@ -1,4 +1,5 @@
 const path = require('path');
+const webpack = require('webpack');
 const NodePolyfillPlugin = require('node-polyfill-webpack-plugin');
 
 module.exports = [
@@ -24,7 +25,10 @@ module.exports = [
       modules: ['node_modules', path.resolve(__dirname, 'node_modules')],
     },
     plugins: [
-      new NodePolyfillPlugin()
+      new NodePolyfillPlugin(),
+      new webpack.DefinePlugin({
+        'process.platform': JSON.stringify('browser'),
+      }),
     ],
     resolve: {
       fallback: {