### Godot version

4.2.dev 80de898d721f952dac0b102d48bb73d6b02ee1e8

### System information

OpenXR

### Issue description

The Godot 3 OpenXR plugin supported obtaining boundary/guardian information in order to obtain play space logic. While we do have a function in the `XRInterface` in Godot 4 that is supposed to retrieve this information (`get_play_area`) it is not implemented on the Godot 4 `OpenXRInterface`.

This logic needs to be ported.

### Steps to reproduce

Call `get_play_area`, be amazed by it not returning data :P

### Minimal reproduction project

Any XR project.
}
	XrSystemProperties system_properties = {
		XR_TYPE_SYSTEM_PROPERTIES, 
		next_pointer, 
		0, 
		0, 
		"", 
		{
				0, 
				0, 
				0, 
		}, 
		{
				false, 
				false 
		} 
	};
	result = xrGetSystemProperties(instance, system_id, &system_properties);
	if (XR_FAILED(result)) {
		print_line("OpenXR: Failed to get System properties [", get_error_string(result), "]");
		return false;
	}
	
	system_name = String(system_properties.systemName);
	vendor_id = system_properties.vendorId;
	graphics_properties = system_properties.graphicsProperties;
	tracking_properties = system_properties.trackingProperties;
	return true;
}
bool OpenXRAPI::load_supported_view_configuration_types() {