fix (raykube_a1promax_lock): make lock dp optional

Device does not seem to report the lock dp on first connection.

Disscussion #4096

custom_components/tuya_local/devices/raykube_a1promax_lock.yaml

@@ -22,6 +22,7 @@ entities:
         name: lock_record
       - id: 46
         type: boolean
+        optional: true
         name: lock
       - id: 47
         type: boolean