Fix DefaultNewArchitectureEntryPoint config validation (facebook#53807)

Summary:
Pull Request resolved: facebook#53807

We need to read the values off feature flags before checking them.

## Changelog
[Internal]

Reviewed By: javache

Differential Revision: D82572898

fbshipit-source-id: 09fbc09570c78b41d9c25fb03c5557e390da7cae

Author: rozele

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/defaults/DefaultNewArchitectureEntryPoint.kt

@@ -120,17 +120,17 @@ public object DefaultNewArchitectureEntryPoint {
   internal fun loadWithFeatureFlags(featureFlags: ReactNativeFeatureFlagsProvider) {
     ReactNativeFeatureFlags.override(featureFlags)
 
+    privateFabricEnabled = featureFlags.enableFabricRenderer()
+    privateTurboModulesEnabled = featureFlags.useTurboModules()
+    privateConcurrentReactEnabled = featureFlags.enableFabricRenderer()
+    privateBridgelessEnabled = featureFlags.enableBridgelessArchitecture()
+
     val (isValid, errorMessage) =
         isConfigurationValid(turboModulesEnabled, fabricEnabled, bridgelessEnabled)
     if (!isValid) {
       error(errorMessage)
     }
 
-    privateFabricEnabled = featureFlags.enableFabricRenderer()
-    privateTurboModulesEnabled = featureFlags.useTurboModules()
-    privateConcurrentReactEnabled = featureFlags.enableFabricRenderer()
-    privateBridgelessEnabled = featureFlags.enableBridgelessArchitecture()
-
     DefaultSoLoader.maybeLoadSoLibrary()
   }