This fix updates the Belgian group insurance salary configurator so it works with a recent underlying change in salary benefit calculations. Users configuring Belgian employee salary packages with group insurance should no longer encounter the reported error.

throwing error

The module was made in 14.4 but due to a function change in 14.5
(`_get_advantages_values` now returns 5 values instead of 4) the module
was not updated properly during the fw-port as the test that loads the
salary configurator apparently did not have the group insurance module
loaded during the test.

TaskId-2648429

This fix prevents certain internal hierarchy fields from being processed in a way that could make financial and consolidation reporting lookups less reliable. It helps keep account consolidation and financial report structures accurate without changing day-to-day user workflows.

Enterprise version of odoo/odoo#76436: enterprise has a pair of `parent_path` fields and they should be opted out of unaccent.