As mentioned in one of the points in https://github.com/ppy/osu/discussions/31263.
The "display mode" is easy to confuse with grid type, so I renamed it to literally the grid property it affects.
Contains some hacks to fix weird behaviours like rewinding to the start on enabling autoplay, or gameplay cursor hiding.
Defaults to `F2` aka stable.
Defaults to Ctrl+Shift+Wheel (as per stable). Closes #23785.
Defaults to `Backspace`.