preserveSymlinks seems to fix rather than changing mode

Author: nickgros

packages/playground/vite.config.ts

@@ -11,8 +11,8 @@ export default defineConfig({
     open: process.env.NODE_ENV !== "production",
   }, // maintain the old webpack behavior in dev
   plugins: [react()],
-  mode: "production", // Fixes https://github.com/rjsf-team/react-jsonschema-form/issues/3228
   resolve: {
+    preserveSymlinks: true, // Fixes https://github.com/rjsf-team/react-jsonschema-form/issues/3228
     alias: {
       // The following is needed to allow the material ui v4 and v5 themes to properly load the css
       "@mui/styles": path.resolve("./node_modules", "@mui/styles"),