Maxcio aroma diffuser: fix color_mode

- "rgb" should be "hs"

Same issue as discussion #3160

custom_components/tuya_local/devices/maxcio_aromadiffuser.yaml

@@ -55,7 +55,7 @@ entities:
           - dps_val: white
             value: white
           - dps_val: colour
-            value: rgb
+            value: hs
           - dps_val: scene
             value: Scene
           - dps_val: scene1