fix(nexsmart_watch2_camera): add status translation key to sd status

Options are as per the translations, but the key was missing

custom_components/tuya_local/devices/nexsmart_watch2_camera.yaml

@@ -204,6 +204,7 @@ entities:
 
   - entity: sensor
     name: SD status
+    translation_key: status
     class: enum
     category: diagnostic
     icon: "mdi:micro-sd"