This change makes guided testing steps reusable across Odoo's web tour and Point of Sale test flows. It improves maintainability and consistency for automated checks, helping teams update tests more efficiently with minimal direct business impact.

Salary offer forms now default to selecting a new company car when the number of available cars is below the allowed unused-car limit. This helps HR teams align offers with fleet availability rules and reduces manual adjustments during contract salary proposals.

- make `new_car` True by default if the `available_cars_amount` is less than the `max_unused_cars`

Task: 4378810