GRIM: Set the right type for integer registry keys
(cherry picked from commit ea80bbb009c92580919de6f79578287fd95bab59)
GRIM: Fix sfx volume when loading a savegame made during a movie.
(cherry picked from commit a1c31667f2372b1b364acb7ff7d47b10c318341b)
GRIM: Patchr to fix the DOD door animation and duplicated sfx.
(cherry picked from commit ebaf3d6285d65e12cf4e69d75ed5531408dd85d4)