on air: fixed crash with checkboxes and switches

nicegui/air.py

@@ -78,7 +78,7 @@ class Air:
             if client_id not in globals.clients:
                 return
             client = globals.clients[client_id]
-            if 'socket_id' in data['msg']['args']:
+            if isinstance(data['msg']['args'], list) and 'socket_id' in data['msg']['args']:
                 data['msg']['args']['socket_id'] = client_id  # HACK: translate socket_id of ui.scene's init event
             handle_event(client, data['msg'])