### 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)

String min_sdk_str = p_preset->get("gradle_build/min_sdk");
			int min_sdk_int = VULKAN_MIN_SDK_VERSION;
			if (min_sdk_str.is_valid_int()) {
				min_sdk_int = min_sdk_str.to_int();
			}
			bool gradle_build_enabled = p_preset->get("gradle_build/use_gradle_build");
			if (!target_sdk_str.is_empty()) { 
				if (!gradle_build_enabled) {
					return TTR("\"Target SDK\" can only be overridden when \"Use Gradle Build\" is enabled.");
				}
				if (!target_sdk_str.is_valid_int()) {
					return vformat(TTR("\"Target SDK\" should be a valid integer, but got \"%s\" which is invalid."), target_sdk_str);
				} else {
					target_sdk_int = target_sdk_str.to_int();
					if (target_sdk_int < min_sdk_int) {
						return TTR("\"Target SDK\" version must be greater or equal to \"Min SDK\" version.");
					}
				}
			}
		}
	}
	return String();
}
void EditorExportPlatformAndroid::get_export_options(List<ExportOption> *r_options) const {
	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "custom_template/debug", PROPERTY_HINT_GLOBAL_FILE, "*.apk"), ""));
	r_options->push_back(ExportOption(PropertyInfo(Variant::STRING, "custom_template/release", PROPERTY_HINT_GLOBAL_FILE, "*.apk"), ""));
	r_options->push_back(ExportOption(PropertyInfo(Variant::BOOL, "gradle_build/use_gradle_build"), false, false, true));
	r_options->push_back(ExportOption(PropertyInfo(Variant::INT, "gradle_build/export_format", PROPERTY_HINT_ENUM, "Export APK,Export AAB"), EXPORT_FORMAT_APK, false, true));