Allows the timesheet overtime computation to be based on the contract the employee had on the day of the timesheet instead of his current contract. The employee creation date of the demo data is set in the past in order to ensure demo data works properly. task-2652259 closes odoo/odoo#88742 Related: odoo/enterprise#24910 Signed-off-by: Laurent Stukkens (ltu) <ltu@odoo.com>