feat! (truelife_air_purrifier_p3): use supported preset

- there is no translation for manual, use custom instead.

Breaking change if users have automations using the old name.

custom_components/tuya_local/devices/truelife_air_purrifier_p3.yaml

@@ -23,7 +23,7 @@ entities:
           - dps_val: SLEEP
             value: sleep
           - dps_val: MANUAL
-            value: manual
+            value: custom
       - id: 4
         type: string
         name: speed