Add support for NWT WDH-10EN dehumidifier (#5126)

* Add support for NWT WDH-10EN dehumidifier

* update(nwt_wdh10en_dehumidifier): update configuration

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* update(nwt_wdh10en_dehumidifier): update configuration

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* strip codes from error desciption

These are not descriptive

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Co-authored-by: Jason Rumney <make-all@users.noreply.github.com>

custom_components/tuya_local/devices/nwt_wdh10en_dehumidifier.yaml

@@ -0,0 +1,90 @@
+name: Dehumidifier
+products:
+  - id: 7pfhrzcnbmc6clf8
+    manufacturer: New WideTech
+    model: WDH-10EN
+entities:
+  - entity: humidifier
+    class: dehumidifier
+    translation_only_key: extended
+    dps:
+      - id: 1
+        type: boolean
+        name: switch
+      - id: 2
+        type: integer
+        name: humidity
+        range:
+          min: 30
+          max: 90
+        mapping:
+          - step: 5
+      - id: 5
+        type: string
+        name: mode
+        mapping:
+          - dps_val: dehumidify
+            value: normal
+          - dps_val: sleep
+            value: sleep
+          - dps_val: dry
+            value: laundry
+      - id: 6
+        type: integer
+        name: current_humidity
+  - entity: fan
+    dps:
+      - id: 4
+        type: string
+        name: speed
+        mapping:
+          - dps_val: low
+            value: 50
+          - dps_val: high
+            value: 100
+      - id: 8
+        type: boolean
+        name: oscillate
+  - entity: binary_sensor
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 19
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 0
+            value: false
+          - value: true
+      - id: 19
+        type: bitfield
+        name: description
+        mapping:
+          - dps_val: 0
+            value: OK
+          - dps_val: 1
+            value: "Temperature sensor"
+          - dps_val: 2
+            value: "Copper tube sensor"
+      - id: 19
+        type: bitfield
+        name: fault_code
+  - entity: binary_sensor
+    translation_key: tank_full
+    dps:
+      - id: 101
+        type: boolean
+        name: sensor
+  - entity: binary_sensor
+    translation_key: defrost
+    dps:
+      - id: 102
+        type: boolean
+        name: sensor
+  - entity: binary_sensor
+    name: Filter
+    category: diagnostic
+    dps:
+      - id: 103
+        type: boolean
+        name: sensor