Patch PaypalOrder Discount Breakdown

[jakemumu]

Summary

This patches an issue in the PayPal order breakdown causing PayPal to reject creating the modal window.

More details here: #191

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[kennyadsl]

Thanks! To avoid future regressions, do you think it would be possible to add a spec? If you need help with that, just let us know and we'll provide some guidance. 🙏

[jakemumu]

Thanks! To avoid future regressions, do you think it would be possible to add a spec?

Definitely, let me try to figure it out I think I got it