After some time, TV appears to be on even if it's in standby
Hi, first of all, thanks for this plugin: I tried many both in HB and in HA, and yours is the most reliable :)

I'm opening this issue because, within a few hours after I turn off my Samsung S90CA OLED TV, the accessory appears to be on in Homebridge, while the TV is still off. And it stays that way until I turn it on and off again.

Not sure if it's related, but by checking the `/api/v2/` GET endpoint when that happens, I noticed that the `PowerState` value is set to an empty string (see attachment below).

<img width="237" alt="image" src="https://github.com/user-attachments/assets/c6d1ca04-1362-4486-9fb4-caca675d3725">

Have you ever experienced this kind of bug? Do you know if there is a solution to this, or if maybe the upcoming version you're working on will handle this edge case?

Thanks :)

