Can no longer fly up or down with X-wing and TIE Advanced in Star Wars Mash-Up

Summary:
The player can no longer fly up or down with an X-wing or TIE Advanced in the Star Wars Mash-Up in 1.19.50.22.

Steps to Reproduce:

1. Create a new Star Wars Mash-Up world
2. Spawn an X-wing or TIE Advanced
3. Get in the X-wing/TIE Advanced and look up

Observed Results:
The X-wing/TIE Advanced doesn't fly up.

Expected Results:
The X-wing/TIE Advanced should fly up, just like in 1.19.40.

Videos:
1.19.50.22:
Minecraft Preview 2022-10-30 18-36-37.mp4

1.19.40:
Minecraft 2022-10-30 18-40-21.mp4