Implementation for handling spatial entity marker tracking logic. This class handles the OpenXR marker tracking spatial entity extension. Returns [code]true[/code] if April tag marker tracking is supported by the current device. Returns [code]true[/code] if Aruco marker tracking is supported by the current device. Returns [code]true[/code] if micro QR code marker tracking is supported by the current device. Returns [code]true[/code] if QR code marker tracking is supported by the current device.