### 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)

preset(p_preset),
			debug(p_debug) {
	}
};
Error EditorExportPlatformIOS::_codesign(String p_file, void *p_userdata) {
	if (p_file.ends_with(".dylib")) {
		CodesignData *data = static_cast<CodesignData *>(p_userdata);
		print_line(String("Signing ") + p_file);
		String sign_id;
		if (data->debug) {
			sign_id = data->preset->get("application/code_sign_identity_debug").operator String().is_empty() ? "iPhone Developer" : data->preset->get("application/code_sign_identity_debug");
		} else {
			sign_id = data->preset->get("application/code_sign_identity_release").operator String().is_empty() ? "iPhone Distribution" : data->preset->get("application/code_sign_identity_release");
		}
		List<String> codesign_args;
		codesign_args.push_back("-f");
		codesign_args.push_back("-s");
		codesign_args.push_back(sign_id);
		codesign_args.push_back(p_file);
		String str;
		Error err = OS::get_singleton()->execute("codesign", codesign_args, &str, nullptr, true);
		print_verbose("codesign (" + p_file + "):\n" + str);
		return err;
	}
	return OK;
}
struct PbxId {
private:
	static char _hex_char(uint8_t four_bits) {