Sprite change of chocolate bar (#5203)

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# About the pull request
Updates the chocolate bar sprite to something better

# Explain why it's good for the game

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old sprite is very old, new sprite fixes that

# Testing Photographs and Procedure
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functioning successfully, ideally including edge cases. -->
<details>
<summary>Screenshots & Videos</summary>


![[image](https://github.com/cmss13-devs/cmss13/assets/55411174/a7b797b1-9f5b-4563-85f3-4e3f5d247c10)](https://camo.githubusercontent.com/dfebc9886d327751618c6b0fa20d4f7d814ec444119982317483eaf8d0e2fea3/68747470733a2f2f696462322e616666656374656461726330372e636f2e756b2f696d616765732f32363339313036312f353230332f353539353139373232303233333636383632362e706e67)
</details>


# Changelog

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:cl:
imageadd: added chocolate bar new sprite
imagedel: deleted old chocolate bar sprite

/:cl:

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