[ FF7 ] Submarine minigame runs at half speed / 15 FPS

[maciej-trebacz]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Enable the new FPS limiter in either default, 30 fps or 60 fps settings (ff7_fps_limiter = 1 | 2 | 3)
2. Launch the game and load a save in Gold Saucer
3. Launch the submarine minigame
4. Notice that it runs at 15 FPS

Expected behavior
The minigame should run at 30 FPS in the "default" and "30 fps" settings, and at 60 FPS when "60 fps" option is selected.

Screenshot