fix: iPhone 17 Pro/Pro Max crashes app when capturePhoto

[herarya]

Fix iPhone 17 Pro/Pro Max crashes app when capturePhoto

What

This PR fixes a crash on iPhone 17 Pro and Pro Max devices when attempting to capture photos. The crash was caused by calling AVCapturePhotoOutput.capturePhoto(with:delegate:) when the video connection was not yet active or enabled, resulting in the error: "No active and enabled video connection".

Changes

• Added readiness check to ensure AVCaptureSession.isRunning is true before attempting photo capture
• Added validation to verify the video connection is both enabled and active before capture
• Implemented auto-repair logic that re-adds AVCapturePhotoOutput and resets the session preset when the video connection is not ready
• Added polling mechanism (max 0.5s, 50ms intervals) to handle timing races after session reconfiguration
• Session automatically starts if not running, with a brief wait period (200ms) for initialization

Tested on

• iPhone 17 Pro, iOS 26.x (verified fix works as expected)

https://github.com/user-attachments/assets/d4849409-8529-4de2-8883-cb0bdd1a11a5

• iPhone 16 verified
• iPhone 17 verified

Related issues

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[pouyaemami]

We just tried this and it looks promising but we are still seeing a greyed out video feed when taking a picture the first time around:

When a picture is taken and we go back to the camera to re-take another one, the image looks right:

[Tebrynn]

I've got same problem. Grayed image and crash when take photo.