fix(ios): correct camera to UIImage orientation conversion

[ismaelsousa]

Fixes the iOS conversion from CameraOrientation to UIImage.Orientation.
The .left and .right cases require inverse mappings:

• .left → .right / .rightMirrored
• .right → .left / .leftMirrored
  The fix is applied to both the core VisionCamera library and the barcode scanner package.

iOS rotation issue — proof

To isolate the iOS rotation problem, I rendered the camera frame directly on screen using this path:
Frame Output → HybridFrameConverter.convertFrameToImage(frame) → HybridImage → NitroImage

Before the fix	After the fix

Apple's doc: https://developer.apple.com/documentation/uikit/uiimage/orientation

The issue occurs because UIImage.Orientation and VisionCamera’s Frame.orientation use different orientation semantics. Although their values may appear equivalent, they describe rotation from different perspectives, so mapping them directly produces an incorrectly rotated image on iOS.

related #4199 #4200

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