Purpose ======= To be able to customize the working flow on the lead, based on their team, we add a properties field on leads, whose definition is stored on their team. Include the properties value in the merge message to keep the history of the properties value if they have been overwritten during the merge process. Task-2965523 X-original-commit: 4722cc4b1fb027b7b9d731c3b206656588071360 Part-of: odoo/odoo#101487