[FIX] hr_holidays: Archive meeting on leave refusal

Unlinking it could be problematic if the synchronization is activated
with google or microsoft, as this action is prevented to avoid multiple
synchronization of the same event.

closes odoo/odoo#63157

X-original-commit: 09a404149d8c15c82d1268bde9c4a725c6babe32
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>

addons/hr_holidays/models/hr_leave.py

@@ -1093,7 +1093,7 @@ class HolidaysRequest(models.Model):
         validated_holidays.write({'state': 'refuse', 'first_approver_id': current_employee.id})
         (self - validated_holidays).write({'state': 'refuse', 'second_approver_id': current_employee.id})
         # Delete the meeting
-        self.mapped('meeting_id').unlink()
+        self.mapped('meeting_id').write({'active': False})
         # If a category that created several holidays, cancel all related
         linked_requests = self.mapped('linked_request_ids')
         if linked_requests: