Cannot Unmount From Horse After Falling Through Ship Upon Command-To-Gather

Bug Name:

Cannot Unmount From Horse After Falling Through Ship Upon Command-To-Gather​

Bug Description:

If you teleport onto a ship using command-to-gather while you're on a horse, you will fall right through the ship and into the water. You will fall infinitely until your mount dies from drowning.​

How to reproduce/proof:

1. Be on a horse.
2. Have your guild leader summon you with command-to-gather while they are in the ocean.
3. Upon teleporting, you will clip through the ship and into the water, falling infinitely until your horse dies.
3a. You are unable to unmount from your horse while you are falling.​