After using the icon/button near your hotbar which will show the inventory/creative menu, it stays green and never goes back to gray. See the attachment shown below (look at the hotbar).

Steps to Reproduce:

1. Press the inventory/creative menu icon/button below the hotbar.
2. Close the inventory by pressing the x button.

Observed Results:
The inventory button stays green.

Expected Results:
The inventory button should turn back to gray.