Fix additional use of globalThis

lib/react-native/index.js

@@ -20,6 +20,7 @@ import { Platform, NativeModules } from "react-native";
 
 import utils from "../utils";
 import extend from "../extensions";
+import { safeGlobalThis } from "@realm.io/common";
 
 //switch how babel transpiled code creates children objects.
 //Inheriting from Realm.Object with class syntax does not support using Reflect.construct the way babel transpiles it.
@@ -42,7 +43,7 @@ if (Platform.OS === "android") {
 
 // TODO: Remove the need to store Realm as a global
 // @see https://github.com/realm/realm-js/issues/2126
-export const Realm = globalThis.Realm;
+export const Realm = safeGlobalThis.Realm;
 
 // Otherwise, we must be in a "normal" react native situation.
 // In that case, the Realm type should have been injected by the native code.