fix(homall_90l_litterbox): fix class/translation_key mixup

Issue #6168

custom_components/tuya_local/devices/homall_90l_litterbox.yaml

@@ -219,7 +219,7 @@ entities:
         name: sensor
   - entity: binary_sensor
     name: Bin full
-    class: tank_full
+    translation_key: tank_full
     category: diagnostic
     dps:
       - id: 109