Most of the extensions of `_name_get` are very similar and only want to
search for the given string in multiple fields.
A lot of extensions also don't take into account the negative operators.
Some implementations were also really outdated and needlessly
complicated.
closesodoo/odoo#86588
Related: odoo/enterprise#25608
Signed-off-by: Raphael Collet <rco@odoo.com>