I realized this was actually a bug in the game and not an issue on your end. I just fixed the bug which wasn't correctly updating the resolution on game start.
Please let me know if you still have an issue, and sorry for the inconvenience.
I am on my laptop it's a MSI Raider GE78HX 13VI-079US 17.3" QHD+ 240Hz full screen mode as I've tried to put it into window mode but it doesn't want to