Support oft parent groups

app/Domains/Event/Controllers/ParticipantUpdateController.php

@@ -22,7 +22,7 @@ class ParticipantUpdateController extends CommonController {
             address_2: $request->input('address_2'),
             postcode: $request->input('postcode'),
             city: $request->input('city'),
-            localgroup: $request->input('localgroup'),
+            participantGroup: $request->input('participantGroup'),
             birthday: $request->input('birthday'),
             email_1: $request->input('email_1'),
             phone_1: $request->input('phone_1'),