feat(ledvance_smart?plabl100x25b): expose dp 28 control

Apparently some lights only work reliably with this write only mess of an
undocumented binary blob

custom_components/tuya_local/devices/ledvance_smart_plabl100x25b.yaml

@@ -157,3 +157,13 @@ entities:
         range:
           min: 0
           max: 86400
+  - entity: text
+    name: Control
+    category: config
+    icon: "mdi:tools"
+    hidden: true
+    dps:
+      - id: 28
+        type: string
+        hidden: true
+        name: value