update navigation

screens/CartStep.tsx

@@ -42,7 +42,7 @@ const HeaderCart = () => {
     const navigation = useNavigation();
     return (
         <View style={styles.headerCartStep}>
-            <TouchableOpacity style={styles.goBack} onPress={() => navigation.navigate('Cart')}>
+            <TouchableOpacity style={styles.goBack} onPress={() => navigation.goBack()}>
                 <FontAwesome style={styles.goBackIcon} name="angle-left" />
             </TouchableOpacity>
             <Text style={styles.headerCartStepTitle}>Thanh toán</Text>