-[AVCaptureSession startRunning] should be called from background thread. Calling it on the main thread can lead to UI unresponsiveness <img width="1310" alt="截屏2023-12-12 12 34 03" src="https://github.com/zxingify/zxingify-objc/assets/15104149/c1a35f2d-89a2-40e9-85ec-1154066f6dc9">