BAH-3440 | Fixed. order line qty logic changed.

[hari1119]

Jira --> BAH-3440

In this PR following changes all done.

1. While creating the order with miss matched UOM in the odoo the qty create as a 0 qty.
2. In odoo inbuilt module sale have the field product_uom_qty default value as 1, while using the inheritance changed the default value as 0.
3. While creating the order throw the API the sale order default value changes a 0 instead of 1.

[gsluthra]

@hari1119 Can u demo this to @gokultw via Postman API, and then we can merge this.