When open/close inventory is bound to a mouse button, you cannot close the inventory.

What I expected to happen was...:
To be able to open AND close inventory with the same mouse button.

What actually happened was...:
I was only able to open the inventory, but unable to close it by pressing the same mouse button.

Steps to Reproduce:
Bind Open/Close inventory to a mouse button. Didn't seem to matter if the button is bound to something else.