The Warden spawn egg is not visible when I click on it

Expected Reason: It should be visible when your holding it

Not Expected Reason: It should not be not in your hand while you click on the spawn egg
How to reproduce
Step 1 Go into your inventory and find the Warden spawn egg
Step 2 Click on the Warden spawn egg many times until you do not see it in your hand anymore even though you are still holding it