fix(auth): provide browserPopupRedirectResolver on init (#9146)

Author: russellwheatley

packages/firebase_auth/firebase_auth_web/lib/src/interop/auth.dart

@@ -22,7 +22,11 @@ export 'auth_interop.dart';
 /// Given an AppJSImp, return the Auth instance.
 Auth getAuthInstance(App app) {
   return Auth.getInstance(auth_interop.initializeAuth(
-      app.jsObject, jsify({'errorMap': auth_interop.debugErrorMap})));
+      app.jsObject,
+      jsify({
+        'errorMap': auth_interop.debugErrorMap,
+        'popupRedirectResolver': auth_interop.browserPopupRedirectResolver
+      })));
 }
 
 /// User profile information, visible only to the Firebase project's apps.

packages/firebase_auth/firebase_auth_web/lib/src/interop/auth_interop.dart

@@ -664,6 +664,8 @@ class AuthSettings {
   // external factory AuthSettings({bool appVerificationDisabledForTesting});
 }
 
+external dynamic get browserPopupRedirectResolver;
+
 /// https://firebase.google.com/docs/reference/js/auth.multifactoruser.md#multifactoruser_interface
 @JS()
 @anonymous