The bug

You can switch the light mode in adventure mode by holding the light in your hand.

How to reproduce

1. Place the light
2. Switch to adventure mode
3. With the light in hand, aim at the spot where you placed the light and try switching the light mode

Observed results

You can switch the light mode in adventure mode.

Expected results

In adventure mode, you cannot interact with the light.

Video demonstrating the issue

Minecraft 1.17.1 - 2021-08-17 16-43-52.mp4

Code analysis

Code analysis by avoma can be found in this comment.