Cannot place order after refactor

[abhinavk96]

Received this:
{"errors": [{"status": 403, "source": {"pointer": ""}, "title": "Access Forbidden", "detail": "You cannot update a non-pending order"}], "jsonapi": {"version": "1.0"}}

@shreyanshdwivedi Fix this and test with free and paid orders both locally. Then test with orders of payment through check for both guest and non-guest accounts.

[shreyanshdwivedi]

On it