### 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)

args.push_back(p_cmd_args);
	String out;
	int exit_code = -1;
	if (OS::get_singleton()->is_stdout_verbose()) {
		OS::get_singleton()->print("Executing: %s", ssh_path.utf8().get_data());
		for (const String &arg : args) {
			OS::get_singleton()->print(" %s", arg.utf8().get_data());
		}
		OS::get_singleton()->print("\n");
	}
	Error err = OS::get_singleton()->execute(ssh_path, args, &out, &exit_code, true);
	if (out.is_empty()) {
		print_verbose(vformat("Exit code: %d", exit_code));
	} else {
		print_verbose(vformat("Exit code: %d, Output: %s", exit_code, out.replace("\r\n", "\n")));
	}
	if (r_out) {
		*r_out = out.replace("\r\n", "\n").get_slice("\n", 0);
	}
	if (err != OK) {
		return err;
	} else if (exit_code != 0) {
		if (!out.is_empty()) {
			print_line(out);
		}
		return FAILED;
	}
	return OK;
}
Error EditorExportPlatform::ssh_run_on_remote_no_wait(const String &p_host, const String &p_port, const Vector<String> &p_ssh_args, const String &p_cmd_args, OS::ProcessID *r_pid, int p_port_fwd) const {