Add a right-click menu on items that can be stacked to allow easy and quick splitting of the item.

Context:
When we go out farming together and want to split the loot, it's always a tedious hassle, and no one wants to be the one selected to do it.

Solution:
Right-click stacked items to bring up a 'tooltip' menu at the click. The player can type x number, then click 'Split', and the item will then automatically be split into that many stacks. The player should be able to right-click bags to auto-split the entire bag.

I understand that time is precious for devs on part-time, but it is a QoL change that should be trivial to add, and it's just something new players will expect to exist. These little things really do matter.