Beca ZHT002: minor changes before merge

- add icons to generic number/select entities
- remove redundant mapping and unit

custom_components/tuya_local/devices/beca_zht002_thermostat_c.yaml

@@ -21,12 +21,9 @@ primary_entity:
       range:
         min: 1
         max: 45
-      mapping:
-        - scale: 1
     - id: 24
       name: current_temperature
       type: integer
-      unit: C
       mapping:
         - scale: 10
     - id: 36
@@ -49,6 +46,7 @@ secondary_entities:
         name: lock
   - entity: select
     name: Sensor selection
+    icon: "mdi:thermometer-check"
     category: config
     dps:
       - id: 43
@@ -63,6 +61,7 @@ secondary_entities:
             value: both
   - entity: number
     name: Temperature correction
+    icon: "mdi:thermometer-plus"
     category: config
     dps:
       - id: 27
@@ -73,6 +72,7 @@ secondary_entities:
           max: 9
   - entity: number
     name: DeadZone temp
+    icon: "mdi:thermometer-alert"
     category: config
     dps:
       - id: 26
@@ -88,6 +88,7 @@ secondary_entities:
       - id: 19
         name: value
         type: integer
+        icon: "mdi:thermometer-alert"
         range:
           min: 45
           max: 70