The Bug:

The "minecraft:inventory_changed" advancement trigger triggers once or multiple times when opening the inventories of non-player entities.

Steps to Reproduce:

1. Install the attached data pack. MC-273770.zip
2. Place an item in your inventory from the creative inventory and notice how the "minecraft:inventory_changed" advancement trigger is correctly triggered.
3. Summon a camel and while shifting, right-click the camel to open its inventory.
4. Observe if or how many times the "minecraft:inventory_changed" advancement trigger was triggered.

Observed Behavior:

The "minecraft:inventory_changed" advancement trigger triggers once or multiple times when opening the inventories of non-player entities.

Expected Behavior:

The "minecraft:inventory_changed" advancement trigger would not trigger at all when opening the inventories of non-player entities as no changes have been made to your player's inventory.