fix back button disconnect

Assets/Scenes/ARCollaborationData/ARCollaborationDataExample.unity

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Assets/Scenes/ARKitCoachingOverlay/ARKitCoachingOverlay.unity

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Assets/Scenes/ARWorldMap.unity

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Assets/Scenes/CameraImage.unity

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Assets/Scenes/Check Support.unity

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Assets/Scenes/EnvironmentProbes.unity

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Assets/Scenes/FaceTracking/ARCoreFaceRegions.unity

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Assets/Scenes/FaceTracking/ARKitFaceBlendShapes.unity

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Assets/Scenes/FaceTracking/EyeLasers.unity

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Assets/Scenes/FaceTracking/EyePoses.unity

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Assets/Scenes/FaceTracking/FaceMesh.unity

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Assets/Scenes/FaceTracking/FacePose.unity

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Assets/Scenes/FaceTracking/FixationPoint.unity

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Assets/Scenes/FaceTracking/WorldCameraWithUserFacingFaceTracking.unity

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Assets/Scenes/HumanSegmentation/HumanBodyTracking2D.unity

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Assets/Scenes/LightEstimation/ARKitHDRLightEstimation.unity

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