Fixed lua error when the round ends while connecting to the server or switching maps

- Replaced a win sound with a new one
- Adjusted the volume of all sounds
- Fixed some sounds not playing because they had too high a sample rate

Added new win sounds

Added another lose sound

Added another new lose sound

Added a couple new lose sounds

Replaced a couple of sounds

Replaced some win/lose sounds

- Added several new win sounds for new roles that can win

- Added a new convar:
ttt_roundendsounds_sound_name_message 0

Whether a message in chat displays the name of the sound playing

- Added a new convar:
ttt_roundendsounds_team_win_sound 0

Whether an innocent/traitor team win sound should play instead of a win sound for the winners and a lose sound for the losers.
Place your sounds in an "innocent_team" and "traitor_team" folder, as opposed to the usual "win" and "loss" folders.

Removed a few sounds