### 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)

valid = false;
			
		 else if (codesign_tool == 2) {
			String rcodesign = EDITOR_GET("export/macos/rcodesign").operator String();
			if (rcodesign.is_empty()) {
				err += TTR("Code signing: rcodesign path is not set. Configure rcodesign path in the Editor Settings (Export > macOS > rcodesign).") + "\n";
				valid = false;
			
		
	
	if (!err.is_empty()) {
		r_error = err;
	
	return valid;
Ref<Texture2D> EditorExportPlatformMacOS::get_run_icon() const {
	return run_icon;
bool EditorExportPlatformMacOS::poll_export() {
	Ref<EditorExportPreset> preset;
	for (int i = 0; i < EditorExport::get_singleton()->get_export_preset_count(); i++) {
		Ref<EditorExportPreset> ep = EditorExport::get_singleton()->get_export_preset(i);
		if (ep->is_runnable() && ep->get_platform() == this) {
			preset = ep;
			break;
		
	
	int prev = menu_options;
	menu_options = (preset.is_valid() && preset->get("ssh_remote_deploy/enabled").operator bool());
	if (ssh_pid != 0 || !cleanup_commands.is_empty()) {
		if (menu_options == 0) {
			cleanup();