Some libraries or assets seems to not being downloaded on old minecraft versions

[bailmast]

Describe the bug

Theseus' version of minecraft b1.8.1 not playing any sounds, since official launcher's does.

Steps to reproduce

1. Start minecraft
2. Click on any button (or play around the world)
3. No sounds emitted

Expected behavior

Some library or asset to be installed

System information

Windows 11 Pro 23H2

Additional context

https://github.com/modrinth/theseus/assets/57112957/be0c6945-8566-4421-b158-fd81f7d20758

[shockpast]

+1, PolyMC and official Minecraft Launcher starts b1.8.1 with sounds, Modrinth's Launcher doesn't.