### 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)

add_message(EXPORT_MESSAGE_WARNING, TTR("Notarization"), TTR("Notarization failed, see editor log for details."));
				return Error::FAILED;
			 else {
				bose("rcodesign (" + p_path + "):\n" + str);
				int next_nl = str.find("\n", rq_offset);
				String request_uuid = (next_nl == -1) ? str.substr(rq_offset + 23, -1) : str.substr(rq_offset + 23, next_nl - rq_offset - 23);
				add_message(EXPORT_MESSAGE_INFO, TTR("Notarization"), vformat(TTR("Notarization request UUID: \"%s\""), request_uuid));
				add_message(EXPORT_MESSAGE_INFO, TTR("Notarization"), TTR("The notarization process generally takes less than an hour."));
				add_message(EXPORT_MESSAGE_INFO, TTR("Notarization"), "\t" + TTR("You can check progress manually by opening a Terminal and running the following command:"));
				add_message(EXPORT_MESSAGE_INFO, TTR("Notarization"), "\t\t\"rcodesign notary-log --api-issuer <api uuid> --api-key <api key> <request uuid>\"");
				add_message(EXPORT_MESSAGE_INFO, TTR("Notarization"), "\t" + TTR("Run the following command to staple the notarization ticket to the exported application (optional):"));
				add_message(EXPORT_MESSAGE_INFO, TTR("Notarization"), "\t\t\"rcodesign staple <app path>\"");
			
		 break;
#ifdef MACOS_ENABLED
		case 2: { 
			bose("using notarytool notarization...");
			if (!FileAccess::exists("/usr/bin/xcrun") && !FileAccess::exists("/bin/xcrun")) {
				add_message(EXPORT_MESSAGE_ERROR, TTR("Notarization"), TTR("Xcode command line tools are not installed."));
				return Error::FAILED;
			
			List<String> args;
			args.push_back("notarytool");
			args.push_back("submit");
			args.push_back(p_path);
			if (p_preset->get_or_env("notarization/apple_id_name", ENV_MAC_NOTARIZATION_APPLE_ID) == "" && p_preset->get_or_env("notarization/api_uuid", ENV_MAC_NOTARIZATION_UUID) == "") {
				add_message(EXPORT_MESSAGE_ERROR, TTR("Notarization"), TTR("Neither Apple ID name nor App Store Connect issuer ID name not specified."));
				return Error::FAILED;
			
			if (p_preset->get_or_env("notarization/apple_id_name", ENV_MAC_NOTARIZATION_APPLE_ID) != "" && p_preset->get_or_env("notarization/api_uuid", ENV_MAC_NOTARIZATION_UUID) != "") {