Trial Chamber assembly structure TNT trap automatically explodes when setting the gamerule doMobSpawning to false or setting the difficulty to Peaceful

The Trial Chamber assembly structure TNT trap automatically explodes when setting the gamerule doMobSpawning off/false.

Steps to Reproduce

1. Find the trial chamber with the seed and coords here.
   4226348645603381645
   /execute in minecraft:overworld run tp @s -34.00 -22.14 -295.29
2. Set your doMobSpawning gamerule to false
3. See the TNT trap unfold

Expected Result
The TNT trap shouldn't be triggered

Observed Result
The TNT trap was triggered by absolutely no one but changing the gamerule itself, causing the chamber to be partially destroyed