Cape will still be showing in spectator

^{Update by} @unknown
Steps to Reproduce:

1. Equip a cape;

2. Create a world with the experimental Spectator toggle enabled;

3. Switch to spectator mode using commands;

4. Switch to third person view.

Observed Results:
The cape is visible.

Expected Results:
The cape is invisible.

Screenshots/Videos attached: Yes

Notes:

Original Description:
Idk