plugin: restore react & react-dom dedupe

While the tests pass after aligning react versions between docs/ and
plugin/, the build still breaks at runtime without this.

Author: jamiebrynes7

plugin/vite.config.mts

@@ -67,6 +67,9 @@ export default defineConfig({
     }),
     bundleAnalyzerPlugin(),
   ],
+  resolve: {
+    dedupe: ["react", "react-dom"],
+  },
   build: {
     // We aren't building a website, so we build in library mode
     // and bundle the output using our index.ts as the entrypoint.