Player can pick up Items when there is no Inventory Space

You can Pick up Items and it shows the animation without any Inventory Space, Making the item Disappear.

How to Reproduce:

1: Fill your Survival inventory

2: Go in the Creative Inventory and grab a item of choice

3: Drag the Item out of the Inventory so it Drops

4: Press "E" to Exit the Inventory

5: Walk to the Item Like you are going to pick it up

6: It looks like you picked it up but if you check your Inventory it Disappeared!