[MC-210967] The player arm no longer bobs down properly after 1.13

This makes the hand look less visually realistic.
Please make sure to watch closely so you can see the actual differences.

Versions used: 1.13 (where it last worked) and 1.16 (how it looks in the latest release)

Linked issues

violine1101 2021-01-09T12:13:47Z

Thank you for your report!
We're tracking this issue in MC-166387, so this ticket is being resolved and linked as a duplicate.

If you would like to add a vote and any extra information to the main ticket it would be appreciated.

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