### 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)

return FAILED;
	}
	if (!p_skip_ipa) {
		if (ep.step("Making .ipa", 4)) {
			return ERR_SKIP;
		}
		List<String> export_args;
		export_args.push_back("-exportArchive");
		export_args.push_back("-archivePath");
		export_args.push_back(archive_path);
		export_args.push_back("-exportOptionsPlist");
		export_args.push_back(dest_dir + binary_name + "/export_options.plist");
		export_args.push_back("-allowProvisioningUpdates");
		export_args.push_back("-exportPath");
		export_args.push_back(dest_dir);
		String export_str;
		err = OS::get_singleton()->execute("xcodebuild", export_args, &export_str, nullptr, true);
		ERR_FAIL_COND_V(err, err);
		print_line("xcodebuild (.ipa):\n" + export_str);
		if (!export_str.contains("** EXPORT SUCCEEDED **")) {
			add_message(EXPORT_MESSAGE_ERROR, TTR("Xcode Build"), TTR(".ipa export failed, see editor log for details."));
			return FAILED;
		}
	}
#else
	add_message(EXPORT_MESSAGE_WARNING, TTR("Xcode Build"), TTR(".ipa can only be built on macOS. Leaving Xcode project without building the package."));
#endif
	return OK;
}
bool EditorExportPlatformIOS::has_valid_export_configuration(const Ref<EditorExportPreset> &p_preset, String &r_error, bool &r_missing_templates, bool p_debug) const {