Changelogs

Deactivated dynamic music player and ensured only menu music plays:

- `DynamicMusicPlayerRegistry.c`
- Overridden `PreloadData` method to prevent any data from loading.
- Overridden `RegisterCategorySettings` method and left it empty.
- Overridden `RegisterTracksMenu` method and left it empty.

- `DynamicMusicPlayerRegistryChernarus.c`
- Overridden `RegisterTracksLocationStatic` method and left it empty.
- Overridden `RegisterTracksLocationDynamic` method and left it empty.

- `DynamicMusicPlayerRegistryEnoch.c`
- Overridden `RegisterTracksLocationStatic` method and left it empty.
- Overridden `RegisterTracksLocationDynamic` method and left it empty.

- `DynamicMusicPlayer.c`
- Overridden `DynamicMusicPlayer` constructor and removed calls to play music.
- Overridden `OnUpdate` method and left it empty.
- Overridden `DetermineTrackByCategory` method and left it empty.
- Overridden `IsPlaybackActive` method to always return false.
- Overridden `PlayTrack` method and left it empty.
- Overridden `OnTrackEnded` method and left it empty.
- Overridden `OnTrackStopped` method and left it empty.
- Overridden `OnNextTrackSelected` method and left it empty.

Server and client initialization of `SoundHandler` to ensure no crashes on reconnect:

- `MissionGameplay.c`
- Check if `SoundHandler` already exists before setting it to avoid double instantiation.
- Set `SoundHandler` to null in the destructor.

- `MissionServer.c`
- Check if `SoundHandler` already exists before setting it to avoid double instantiation.
- Set `SoundHandler` to null in the destructor.

- Removed debug prints

- Fixed fader
- Implemented SoundInstance