I am an absolute beginner to photography, never done more than point and shoot before now. I was given GoPro hero 8 for Christmas and am going to take it diving next week. Have been trying to educate myself about the camera, but am puzzled by white balance. Of course I won't be able to adjust it during the dive, so I need an all purpose setting. Would auto be best? If I use auto, can I still edit the video after the fact in one of the GoPro apps?