### 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("-R");
		args.push_back(vformat("%d:localhost:%d", p_port_fwd, p_port_fwd));
	}
	args.push_back(p_host);
	args.push_back(p_cmd_args);
	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");
	}
	return OS::get_singleton()->create_process(ssh_path, args, r_pid);
}
Error EditorExportPlatform::ssh_push_to_remote(const String &p_host, const String &p_port, const Vector<String> &p_scp_args, const String &p_src_file, const String &p_dst_file) const {
	String scp_path = EditorSettings::get_singleton()->get("export/ssh/scp");
	if (scp_path.is_empty()) {
		scp_path = "scp";
	}
	List<String> args;
	args.push_back("-P");
	args.push_back(p_port);
	args.push_back("-q");
	args.push_back("-o");
	args.push_back("LogLevel=error");
	args.push_back("-o");
	args.push_back("BatchMode=yes");
	args.push_back("-o");
	args.push_back("StrictHostKeyChecking=no");
	for (const String &E : p_scp_args) {