Mutiple PR integrated:
PR #319 from @Caslinovich
Fix climate: optimistic state for temperature/fan/swing + fix watcher timer leak
PR #328 from @VadymMelnychuk
Add water_heater platform for WH (Water Heater, applianceTypeId 10)
PR #330 from @gedmet
Update air_to_water_mode states in English translations
Contributors
VadymMelnychuk, Caslinovich, and gedmet