[MC-275447] Minecarts with chest boats in them move by themselves

If you put boat with a chest inside a minecart and break the rail under it then if a player sits in a boat it will move backwards.

Linked issues

Can you please provide a video showcasing the bug?

Does MC-113871 describe your issue?

i pinned a photo showing it

I can confirm:

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Relates to MC-113871

It doesn't need to be a chest boat. It can also be a regular boat with a single passanger (it can't be the player tho)

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Relates to MC-275373

Is it also happening without minecart experiments turned on?

Yes

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

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