Accounting reports now consistently receive prior report settings instead of sometimes receiving no settings at all. This internal cleanup reduces the risk of reporting errors and makes future maintenance of financial reports easier without changing day-to-day user workflows.

Keeping `previous_options` as None is error-prone and can be made simpler. This commit makes `previous_options` a mandatory parameter.

Task ID: 3977823

This draft refactors automated tour tests across several Odoo Enterprise apps, including accounting, helpdesk, manufacturing, signing, and rental flows. The changes are internal and should help maintain test reliability without changing day-to-day user workflows.