fix(fusion_clock): reorder NFC kiosk source before System per plan

Move ('nfc_kiosk', 'NFC Kiosk') to sit between kiosk and system in the
source Selection field, matching the spec's semantic grouping of
interactive sources before the automated system source.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

fusion_clock/models/clock_activity_log.py

@@ -73,8 +73,8 @@ class FusionClockActivityLog(models.Model):
             ('systray', 'Systray'),
             ('backend_fab', 'Backend FAB'),
             ('kiosk', 'Kiosk'),
-            ('system', 'System (Cron)'),
             ('nfc_kiosk', 'NFC Kiosk'),
+            ('system', 'System (Cron)'),
         ],
         string='Source',
     )