[FIX] mail: allow duplicate records with alias for non-admin

ALIAS_WRITEABLE_FIELDS is used to write alias fields with sudo

Steps to reproduce:

1. Create a user
1.1. Give rights Services -> Project-> Administartor
1.2. Not given rights Administration-> administartor
2. Project app -> open any project -> Action -> duplicate -> it give validation error.

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opw-2506566

closes odoo/odoo#70315

Signed-off-by: Nicolas Lempereur (nle) <nle@odoo.com>