Steps to Reproduce:

1. In creative mode, get any items;
2. Tap an item in the hotbar;
3. Tap any slot from the creative inventory.

Observed Results:
The new slot gets highlighted, and the item is no longer selected.

Expected Results:
The item gets moved "into" the new slot, deleting it in the process. The new slot is not highlighted.

Notes: Drag and drop feature is unaffected, as well as other platforms such as Windows.