### 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)

return _export_project_helper(p_preset, p_debug, p_path, p_flags, false, false);
}
Error EditorExportPlatformIOS::_export_project_helper(const Ref<EditorExportPreset> &p_preset, bool p_debug, const String &p_path, int p_flags, bool p_simulator, bool p_skip_ipa) {
	ExportNotifier notifier(*this, p_preset, p_debug, p_path, p_flags);
	String src_pkg_name;
	String dest_dir = p_path.get_base_dir() + "/";
	String binary_name = p_path.get_file().get_basename();
	bool export_project_only = p_preset->get("application/export_project_only");
	EditorProgress ep("export", export_project_only ? TTR("Exporting for iOS (Project Files Only)") : TTR("Exporting for iOS"), export_project_only ? 2 : 5, true);
	String team_id = p_preset->get("application/app_store_team_id");
	ERR_FAIL_COND_V_MSG(team_id.length() == 0, ERR_CANT_OPEN, "App Store Team ID not specified - cannot configure the project.");
	if (p_debug) {
		src_pkg_name = p_preset->get("custom_template/debug");
	} else {
		src_pkg_name = p_preset->get("custom_template/release");
	}
	if (src_pkg_name.is_empty()) {
		String err;