third person camera in spectator mode doesn't ignore blocks

Summary:
when in spectator and in third person the camera will continue to try to avoid blocks, meaning that when underground the camera is super close to the player and stutters around when the player moves.

Steps to Reproduce:
1. switch to third person
2. set your gamemode to spectator
3. fly inside blocks

Observed Results:
see description

Expected Results:
third person camera ignores all blocks when in spectator mode