[FIX] studies_base: correct date field study_participant

studies_base/models/study_participant.py

@@ -34,3 +34,17 @@ class StudyParticipant(models.Model):
     updated = fields.Datetime("Date mise à jour")
 
     active = fields.Boolean("Actif", default=True)
+
+    @api.depends("write_date")
+    def _compute_updated(self):
+        for record in self:
+            ## XXXb0g : the following two lines are to be removed when all records will have been updated during migration
+            # if record.updated:
+            #    continue
+            record.updated = record.write_date
+
+    @api.depends("create_date")
+    def _compute_created(self):
+        for record in self:
+            if not record.created:
+                record.created = record.create_date