iFan04 "power on state" support

[zacharee]

Here's the debug log for the iFan04:

2026-02-19 16:30:42 [D] SysInfo: {'installation_type': 'Home Assistant Container', 'version': '2026.2.2', 'dev': False, 'hassio': False, 'virtualenv': False, 'python_version': '3.13.11', 'docker': True, 'arch': 'x86_64', 'timezone': 'America/New_York', 'os_name': 'Linux', 'os_version': '6.12.41+', 'user': 'root', 'container_arch': 'amd64', 'sonoff_version': '3.9.3 (7c75c46)'}
2026-02-19 16:30:44 [D] 1 devices loaded from Cloud
2026-02-19 16:30:44 [D] 100268abbb UIID 0034 | {'version': 8, 'only_device': {'ota': 'success'}, 'TZ': 'America/New_York', 'sledOnline': 'off', 'configure': [{'startup': 'on', 'outlet': 0}, {'startup': 'off', 'outlet': 1}, {'startup': 'stay', 'outlet': 2}, {'startup': 'stay', 'outlet': 3}], 'fwVersion': '3.6.1', 'init': 1, 'rssi': -61, 'switches': [{'switch': 'off', 'outlet': 0}, {'switch': 'off', 'outlet': 1}, {'switch': 'off', 'outlet': 2}, {'switch': 'off', 'outlet': 3}]}
2026-02-19 16:30:44 [D] AUTO mode start
2026-02-19 16:30:45 [D] CLOUD change state old=None, new=True
2026-02-19 16:30:45 [D] Add 4 entities
2026-02-19 16:30:46 [D] 100268abbb <= Local3 | 192.168.1.106:8081 | {'light': 'off', 'fan': 'off', 'speed': 1, 'startup_light': 'on', 'startup_fan': 'off', 'sledOnline': 'off'} | 2

In the app, I have the light's (outlet 0) mode set to "on" and the fan's (outlet 1) set to "off". I'm guessing outlets 2 and 3 are the other speeds of the fan and it only pays attention to outlet 1's power on mode.