[Breaking]: Reported crash from leveling up 2 skills at the same time with a book

### Mod Version

v2.3.0

### Multiplayer

Single Player

### SMAPI Log

-- No Log Provided --

### Description

Reported from a user that the game can crash when the mod tries to play 2 level up sounds at once

https://ptb.discord.com/channels/137344473976799233/678284714829807636/1220899094222868590 