### Tested versions

Godot Engine v4.2.stable.official.46dc27791

### System information

Windows 10

### Issue description

When exporting to web, Godot fails with this error in the console:

> scene/main/window.cpp:884 - Attempting to make child window exclusive, but the parent window already has another exclusive child. This window: /root/@<!-- -->EditorNode@<!-- -->17120/@<!-- -->Panel@<!-- -->13/@<!-- -->ProjectExportDialog@<!-- -->559/@<!-- -->VBoxContainer@<!-- -->137/@<!-- -->AcceptDialog@<!-- -->411, parent window: /root/@<!-- -->EditorNode@<!-- -->17120/@<!-- -->Panel@<!-- -->13/@<!-- -->ProjectExportDialog@<!-- -->559, current exclusive child window: /root/@<!-- -->EditorNode@<!-- -->17120/@<!-- -->Panel@<!-- -->13/@<!-- -->ProjectExportDialog@<!-- -->559/@<!-- -->ProgressDialog@<!-- -->17444

![a](https://github.com/godotengine/godot/assets/2000051/bf9d22aa-d3fe-4e11-bff6-c387e740fe90)

This happens for newly created empty projects.


### Steps to reproduce

1. Open the attached project (or create a new project).
2. Project->Export->Export All
3. Observe the console error.  No output files are generated.


### Minimal reproduction project (MRP)

[export_test.zip](https://github.com/godotengine/godot/files/13574810/export_test.zip)

String archive_path = p_path.get_basename() + ".xcarchive";
	List<String> archive_args;
	archive_args.push_back("-project");
	archive_args.push_back(dest_dir + binary_name + ".xcodeproj");
	archive_args.push_back("-scheme");
	archive_args.push_back(binary_name);
	archive_args.push_back("-sdk");
	if (p_simulator) {
		archive_args.push_back("iphonesimulator");
	} else {
		archive_args.push_back("iphoneos");
	}
	archive_args.push_back("-configuration");
	archive_args.push_back(p_debug ? "Debug" : "Release");
	archive_args.push_back("-destination");
	if (p_simulator) {
		archive_args.push_back("generic/platform=iOS Simulator");
	} else {
		archive_args.push_back("generic/platform=iOS");
	}
	archive_args.push_back("archive");
	archive_args.push_back("-allowProvisioningUpdates");
	archive_args.push_back("-archivePath");
	archive_args.push_back(archive_path);
	String archive_str;
	err = OS::get_singleton()->execute("xcodebuild", archive_args, &archive_str, nullptr, true);
	ERR_FAIL_COND_V(err, err);
	print_line("xcodebuild (.xcarchive):\n" + archive_str);
	if (!archive_str.contains("** ARCHIVE SUCCEEDED **")) {
		add_message(EXPORT_MESSAGE_ERROR, TTR("Xcode Build"), TTR("Xcode project build failed, see editor log for details."));