Unable to use middle mouse button to copy the displayed material items in beacon GUI

The player is unable to use the middle mouse button to copy a stack of the various material items shown in the beacon GUI (Includes; netherite, emerald, diamond, gold, and iron)

Steps to Reproduce:

1. Place down a beacon
2. Open the GUI
3. Hover over one of the material items
4. Press middle mouse button

Observed & Expected Results:

- Middle mouse button will not work, and the item stack will not be coppied to the player's cursor.
- The player would be able to copy the item stacks properly from the beacon's GUI.

Screenshots/Videos:

Comparing behavior in the crafter (which has an output slot that the player cannot take as it is purely visual) and the beacon.
BeaconCopy.mp4