[FIX] calendar: default value for recurrent meetings

Before this commit, the default values of a recurrent meeting were overriden
by the false value, resulting in "count = 0" dans "weekday = False" in the form
view of recurrent meeting by default.

TaskId-2999194

X-original-commit: c8d9eefdc99eaacc124eebf7f0cbaabed4e38bf4
Part-of: odoo/odoo#101492

addons/calendar/models/calendar_event.py

@@ -360,7 +360,7 @@ class Meeting(models.Model):
                     for field in recurrence_fields
                     if event.recurrence_id[field]
                 }
-                event.update({**false_values, **event_values, **rrule_values})
+                event.update({**false_values, **defaults, **event_values, **rrule_values})
             else:
                 event.update(false_values)