] Fix native module check when not using batched bridge (#49483)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/49483

Changelog: [internal]

Reviewed By: fabriziocucci

Differential Revision: D69753755

fbshipit-source-id: fe267ed60b5f7d6baac7dee5d7be0f733b34e9e9

packages/react-native/ReactCommon/jsiexecutor/jsireact/JSINativeModules.cpp

@@ -77,16 +77,16 @@ std::optional<Object> JSINativeModules::createModule(
         ReactMarker::NATIVE_MODULE_SETUP_START, name.c_str());
   }
 
-  if (!m_genNativeModuleJS) {
-    m_genNativeModuleJS =
-        rt.global().getPropertyAsFunction(rt, "__fbGenNativeModule");
-  }
-
   auto result = m_moduleRegistry->getConfig(name);
   if (!result.has_value()) {
     return std::nullopt;
   }
 
+  if (!m_genNativeModuleJS) {
+    m_genNativeModuleJS =
+        rt.global().getPropertyAsFunction(rt, "__fbGenNativeModule");
+  }
+
   Value moduleInfo = m_genNativeModuleJS->call(
       rt,
       valueFromDynamic(rt, result->config),