Spyglasses stay in use in spectator mode

The bug

The spyglass stays in use when switching to spectator while using F3 + N.

How to reproduce

1. Obtain a spyglass
2. While using the spyglass, switch to spectator mode using F3 + N

Observed behavior

The spyglass remains extended while in spectator mode.

Expected behavior

The spyglass would retract while in spectator mode.

Video

https://youtu.be/dMpPDX8YQvE

Code analysis

Code analysis by [Mod] Avoma can be found in this comment.