Add on feature not working

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

Go to Food corner east restaurants page
place your order and choose new item 1 (with default add on of fries)
image
you can only choose one of these but upon check out you'll see both items in your order list
4. Scroll down to checkout
5. See error

Expected behavior
only the selected item or the items must be shown, or if default then should not be given a choice

Screenshots
image

Desktop (please complete the following information):

OS: Windows
Browser Chrome
Version 122.0.6261.95 (Official Build) (64-bit)

Start by reproducing the add-on selection flow on the Food corner east restaurants page in Chrome, using the steps in the issue. Trace the selected and default fries items through checkout; done means the order list shows only the selected item, or does not offer a choice when the default is fixed.

Written by the indexing model from the issue text.