fix(electriq_my130_radiator): reverse preset_mode mappings

Issue #5295

custom_components/tuya_local/devices/electriq_my130_radiator.yaml

@@ -27,11 +27,11 @@ entities:
         name: preset_mode
         mapping:
           - dps_val: "1"
-            value: low
+            value: high
           - dps_val: "2"
             value: medium
           - dps_val: "3"
-            value: high
+            value: low
   - entity: select
     translation_key: timer
     category: config