feat(costway_portable_ac): identify some dps

- dp 108 was missing, but should be current temp in F per similar devices
- dp 109 was unknown, seems to be feature flags, which may allow combining configs.

PR #5791

custom_components/tuya_local/devices/costway_portable_ac.yaml

@@ -49,9 +49,14 @@ entities:
         type: integer
         name: temp_set_f
         hidden: true
+      - id: 108
+        type: integer
+        optional: true
+        name: temp_cur_f
+        hidden: true
       - id: 109
         type: integer
-        name: unknown_109
+        name: feature_flags
   - entity: switch
     translation_key: sleep
     category: config