Oh heck. You said you'd fixed that!
No, it's definitely NOT okay. And no, simply unchecking that box doesn't fix the problem. You have to go back to the beginning.
Well done for spotting the Display P3 thing. Stupid Adobe have tripped up a lot of people with that.
Yep, sounds perfect.
Those settings have nothing to do with your Mac. They are all about Photoshop, and your camera.
Have you calibrated it yet?