Chest Can Be Opened Behind Another Chest

Steps to reproduce:

1) Place 2 chests and add items inside to distinguish them.

2) Place item frame(s) on the first chest.

3) Open the first chest in a repeat way and analyze which chest you're opening.

 

Expected:

The first chest should always be opened.

 

Observed:

There's a large chance that the second chest hiding behind can be opened.