Default tax category is not set

[pragai]

Description

When adding a new product the default tax category is not the one which was set as default in the configuration.

This leads to tax errors when the admin forgets to set the category.

Expected Behavior

Set the tax category to default.

Actual Behaviour

When adding product the tax category is set to an arbitrary one.

Steps to Reproduce

1. Open product creation screen.
2. See the tax category is not the one that is set to default.

Workaround

Switch the tax category.

Severity

bug-s4: it's annoying, but you can use it

Possible Fix

Order the tax categories by default flag in the product creation form.