[MC-253959] Minecarts can have infinite constant speed

Expected Behavior

Minecarts would separate and lose speed over time

Two colliding hitboxes minecarts can push and pull each other causing infinite constant speed

Never pull minecarts of the same direction

Have two minecarts collide hitbox perfectly so they push/pull each other. See video attached for a more straightforward reproduction

Java: 17.0.1 64bit
Windows 11 Version 21H2 (build 22000.739)

Duplicate of MC-14.

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We're tracking this issue in MC-14, so this ticket is being resolved and linked as a duplicate.

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