The Chilean F29 tax report has been updated to use a clearer six-column layout and calculate all report lines more efficiently in one step. This improves performance, accuracy, and usability for companies preparing Chilean tax submissions.

This commit optimizes the F29 report by using just one big query to
compute the data for all the report lines at once.

task-4329648

Forward-Port-Of: odoo/enterprise#106701

Payroll runs now avoid repeating unnecessary work when preparing payslips, making large payroll batches complete much faster. This improves processing time for HR and payroll teams, especially when handling many employees at once, without changing payroll results.

Backport of https://github.com/odoo/enterprise/pull/124776 without the populate blueprint.