Lefant LS1: add missing name on water level dp.

custom_components/tuya_local/devices/lefant_ls1_vacuum.yaml

@@ -121,6 +121,7 @@ secondary_entities:
     dps:
       - id: 10
         type: string
+        name: sensor
         mapping:
           - dps_val: low
             value: Low
@@ -128,4 +129,3 @@ secondary_entities:
             value: Medium
           - dps_val: high
             value: High
-