Steps to reproduce:

1. Create a bundle and put things in it
2. Open a crafting table
3. Hover your cursor over the bundle and select an item from it (don't take it out)
4. Shift click the bundle into the crafting table.

Observed result:
The bundle should remain in the open position, you can shift click it into your inventory, but keep your cursor on it for too long will cause it to revert back to the closed position:

Expected result:
The bundle is closed.