Update compat tests to use THREE.r155

compat-tests/fixtures/r3f-next-latest/package/pages/index.js

@@ -0,0 +1,13 @@
+import React from 'react'
+import studio from '@theatre/studio'
+import extension from '@theatre/r3f/dist/extension'
+import App from '../src/App/App'
+
+if (process.env.NODE_ENV === 'development' && typeof window !== 'undefined') {
+  studio.extend(extension)
+  studio.initialize({usePersistentStorage: false})
+}
+
+export default function Home() {
+  return <App></App>
+}