### 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)

if (p_preset) {
		bool sb = p_preset->get("storyboard/use_launch_screen_storyboard");
		if (!sb && p_option != "storyboard/use_launch_screen_storyboard" && p_option.begins_with("storyboard/")) {
			return false;
		}
	}
	return true;
}
void EditorExportPlatformIOS::get_export_options(List<ExportOption> *r_options) const {
	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "custom_template/debug", PROPERTY_HINT_GLOBAL_FILE, "*.zip"), ""));
	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "custom_template/release", PROPERTY_HINT_GLOBAL_FILE, "*.zip"), ""));
	Vector<ExportArchitecture> architectures = _get_supported_architectures();
	for (int i = 0; i < architectures.size(); ++i) {
		r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, vformat("%s/%s", PNAME("architectures"), architectures[i].name)), architectures[i].is_default));
	}
	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/app_store_team_id"), "", false, true));
	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/provisioning_profile_uuid_debug", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_SECRET), ""));
	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/code_sign_identity_debug", PROPERTY_HINT_PLACEHOLDER_TEXT, "iPhone Developer"), ""));
	r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "application/export_method_debug", PROPERTY_HINT_ENUM, "App Store,Development,Ad-Hoc,Enterprise"), 1));
	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/provisioning_profile_uuid_release", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_SECRET), ""));
	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "application/code_sign_identity_release", PROPERTY_HINT_PLACEHOLDER_TEXT, "iPhone Distribution"), ""));
	r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "application/export_method_release", PROPERTY_HINT_ENUM, "App Store,Development,Ad-Hoc,Enterprise"), 0));