The Chilean F29 tax report has been optimized to calculate all report lines in a single process, improving performance and reliability. The update also refines the six-column layout, tax credit handling, withholding sections, and submission flow so businesses can review and file tax information more accurately.

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