The sales layout module was modernized to follow Odoo's newer framework standards, improving maintainability without changing the core business workflow. It also fixes an invoice report layout issue so invoice documents render with the correct context.

Task: https://www.odoo.com/web?#id=13369&view_type=form&model=project.task&action=327
Pad: https://pad.odoo.com/p/r.x92W9sX4VyYKX9B9

This update modernizes core inventory and warehouse models, including stock movements, locations, picking operations, barcode rules, routes, and stock quantity tracking. It helps keep warehouse operations maintainable and reliable while preserving key inventory workflows through updated tests.