Workaround UIPinchGesture number of touch bug #2025
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- Based on the documentation https://developer.apple.com/documentation/uikit/uipinchgesturerecognizer, pinch gesture state should not be set to "Changed" if "both" fingers are not pressed, which does not seem to be the case.
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state should not be set to "Changed" if "both" fingers are not pressed, which does not seem to be the case.
This just adds a check to make sure "Changed" state is ignored if the number of touches are < 2!