This update removes or simplifies older compatibility code used by several interface components, reducing maintenance complexity. It should make future updates safer and easier without changing day-to-day user workflows.

task 3439226

community: https://github.com/odoo/odoo/pull/134295

When users are sent to a simplified user form from the employee contract signing flow, the system now avoids carrying over unnecessary background settings. This helps make the redirected form behave more predictably and reduces confusion during contract signing setup.

*: hr_contract_sign

task - 3334739