Fix webpack 5 compatibility issue by replacing deprecated node.fs with resolve.fallback

Co-authored-by: hsluoyz <3787410+hsluoyz@users.noreply.github.com>

Author: Copilot

webpack.base.js

@@ -29,9 +29,9 @@ module.exports = {
   },
   resolve: {
     extensions: [ '.tsx', '.ts', '.js' ],
-  },
-  node: {
-    fs: "empty"
+    fallback: {
+      fs: false
+    }
   },
 
   output: {