Changing perspectives on a mount causes the camera to always face the positive Z direction

Summary

When switching from third person to first person perspective on a mount, the camera will always snap to the positive Z direction. Boats are the only mount not affected.

Steps to Reproduce:

1. Mount something such as a horse.
2. Switch the perspective to third person and then back to first person.

Observed Results:

The camera always snaps to the positive Z direction when switching back to first person view.

Expected Results:

The camera remains in the same direction it was facing before switching perspectives.