[FIX] hw_drivers: Traceback in 'device_changed'

Only the 'action' requests have the 'data' parameter set, so any other
request triggering a 'device_changed' failed.

closes odoo/odoo#66826

X-original-commit: 0850814dda9802973e48ef89d6a81d61fc36a646
Signed-off-by: Quentin Lejeune (qle) <qle@odoo.com>
Signed-off-by: Antoine Prieëls <aprieels@users.noreply.github.com>

addons/hw_drivers/event_manager.py

@@ -44,7 +44,7 @@ class EventManager(object):
             **device.data,
             'device_identifier': device.device_identifier,
             'time': time.time(),
-            'request_data': json.loads(request.params['data']) if request else None,
+            'request_data': json.loads(request.params['data']) if request and 'data' in request.params else None,
         }
         self.events.append(event)
         for session in self.sessions: