fix(metro-config): fix crash when react-native-web is installed

[tido64]

Description

Fixed crash when react-native-web is installed

Test plan

Add react-native-web:

diff --git a/packages/test-app/package.json b/packages/test-app/package.json
index 8c67682fa..c1b704db8 100644
--- a/packages/test-app/package.json
+++ b/packages/test-app/package.json
@@ -39,7 +39,8 @@
   "dependencies": {
     "@react-native-webapis/web-storage": "workspace:*",
     "react": "19.1.0",
-    "react-native": "^0.81.0"
+    "react-native": "^0.81.0",
+    "react-native-web": "^0.21.2"
   },
   "devDependencies": {
     "@babel/core": "^7.20.0",

Install and verify that Metro doesn't crash on startup:

yarn
yarn build-scope @rnx-kit/test-app
cd packages/test-app/
node --print 'require("./metro.config.js")'