Chest opening mastery also opens Djinn's caches but leaves it a dead clickable object

The cache is clickable but nothing happens when you click it again, and graphically you can see the chest is already opened.
Also I'm not sure if the mastery opening is the same as the normal mouse click, and I suspect it might've opened the chest even before it appears and this seems worth investigating.

Bug Report ID: #2,204,051,731