Kesser infrared heater: naming convention changes

- use generic top level name
- products name does not need to include the generic info
- names should be in English if not translated
- remove trailing whitespace

custom_components/tuya_local/devices/kesser_infrared_heater.yaml

@@ -1,27 +1,29 @@
-name: Kesser Infrared Heater 3000W
+name: Infrared heater
 products:
   - id: trsas9jlfgcbxhq9
-    name: Kesser Infrared Heater 3000W
+    name: Kesser 3000W
 primary_entity:
   entity: switch
   name: Power
+  icon: "mdi:radiator"
   dps:
     - id: 1
-      type: boolean      
+      type: boolean
       name: switch
 secondary_entities:
   - entity: select
-    name: Modus
+    name: Mode
+    icon: "mdi:radiator"
     dps:
       - id: 4
         type: string
         name: option
         mapping:
           - dps_val: "P0"
-            value: "Aus"
+            value: "Off"
           - dps_val: "P1"
-            value: "1000W" 
+            value: "1000W"
           - dps_val: "P2"
-            value: "2000W" 
+            value: "2000W"
           - dps_val: "P3"
             value: "3000W"