At present, I have no idea.
Maybe a tax credit could be had, but how that will all work I don't know. also incompatible tax years start and end. Thai / Uk. an accounting pain, I think.
To many, maybe, could be, might be, at present for me to care right now.
I reckon this will all be a massive cluster duck, I'm not going to go into panic mode in Thailand.
Yet. I am waiting and watching.