This update adds a small extension point that helps Odoo handle foreign VAT information more reliably when fiscal position logic is customized. It mainly supports a related Enterprise fix and improves maintainability without changing day-to-day user workflows.

This hook is used for fix in the corresponding enterprise commit. We do it this way instead of defining everything in enterprise for clarity and robustness.

The point-of-sale customer display no longer shows an unwanted white background in table sections. This keeps the IoT display visually consistent and easier to read for users.

Bootstrap adds an ugly white background to `table` tags when we add the `table` class.  
We now force it to be transparent.