Well I just had an “11 hour” idea this morning:
Since there are no mechanical adjustments to the x/y of the bed then why not make a shim? I used a strip of cardboard 0.5mm (which is pretty significant) and placed it at the back of the bed, placed a level and now it’s even more level! Now all I have to do is test it out. I don’t think it will present an issue with the bed heating since I don’t ever print at the very back. I’ll be testing it this morning.