Multiplayer Game Sound Expansion

This script enhances the multiplayer gaming experience with sounds that were previously only available to single-player gamers:

- Air compressors on vehicles.
- Blowoffs.
- Operating noises from vehicles, attachments, trailers, and tools.
- Falling tree sounds.

New features for single and multiplayer:

- The player avatar now uses the accelerator pedal in all transmission settings, even when reversing, and no air is consumed when reversing.