Ender Crystal beam has incorrect texture on one side

One side of the textures in the beam is shrunken in, so that it is different from the other sides of the beam.

To test:

1. /summon ender_crystal ~ ~ ~ {BeamTarget:{X:0,Y:100,Z:0}} (insert your own beam target)

2. Look down the beam and notice one side has its texture shrunken so that it has more pixels than the other sides.

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Code analysis by Marcono1234 can be found in this comment