fixes shotgun casing bounce sounds (shiptest-ss13#3057)

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I

![image](https://github.com/shiptest-ss13/Shiptest/assets/45698967/5ec6ffa1-219a-4ada-b83c-fbdecab5231f)
may have accidentally pr'd this to retlaw's branch before here
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shotgun
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:cl:
fix: shoutgun casing bounce sfx now plays as intended. oopsies.
/:cl:

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