Issue with the drowned model

For specific context, the drowned's right arm is a pixel closer to the body compared to the left arm.

This isn't to hard to fix. a resource pack can fix it, so hopefully not to difficult.

⚠️ Please do not mark Unreleased Versions as affected. You don't have access to them yet.

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his model is supposed to look "inflated" https://twitter.com/argo_major/status/1127406854701633538