Biometric Auth Button
fun BiometricAuthButton(onClick: () -> Unit, modifier: Modifier = Modifier, enabled: Boolean = true, availability: BiometricAvailability = BiometricAvailability.Available, useOutlinedStyle: Boolean = true, label: String = "Use biometrics")
Button that launches biometric authentication when tapped.
Hidden automatically when biometrics are unavailable. Safe to use in Preview mode.