[IMP] tg_event: show the email templates related to event registratio…

…n model only

tg_event/models/event_event.py

@@ -9,6 +9,7 @@ class EventEvent(models.Model):
     )
     default_email_template_id = fields.Many2one(
         "mail.template",
+        domain="[('model', '=', 'event.registration')]",
         help="Default email template used upon manual sending the emails to attendees using "
         "Send By Email button in the event registration form",
     )

tg_event/models/event_registration.py

@@ -11,8 +11,8 @@ def create(self, vals_list):
             record.message_subscribe(record.event_id.subscribe_in_registrations.ids)
         return records
 
-    # Set email template taken from the related Event as default upon manual email sending to attendee
-    # in event registration form
+    # Set email template taken from the related Event as default upon manual email
+    # sending to attendee in event registration form
     def action_send_badge_email(self):
         res = super(EventRegistration, self).action_send_badge_email()
         default_tmpl = self.event_id.default_email_template_id