fix(pumpkin-inventory/src/drag_handler.rs): divide by 0 (#393)

* fix(pumpkin-inventory/src/drag_handler.rs): divide by 0

Please work
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* fix(pumpkin-inventory/src/drag_handler.rs): syntax errors

pumpkin-inventory/src/drag_handler.rs

@@ -120,8 +120,12 @@ impl DragHandler {
                 let changing_slots =
                     drag.possibly_changing_slots(&slots_cloned, carried_item.item_id);
                 let amount_of_slots = changing_slots.clone().count();
-                let (amount_per_slot, remainder) =
-                    (carried_item.item_count as usize).div_rem_euclid(&amount_of_slots);
+                let (amount_per_slot, remainder) = if amount_of_slots == 0 {
+                    // TODO: please work lol
+                    (1, 0)
+                } else {
+                    (carried_item.item_count as usize).div_rem_euclid(&amount_of_slots)
+                };
                 let mut item_in_each_slot = *carried_item;
                 item_in_each_slot.item_count = amount_per_slot as u8;
                 changing_slots.for_each(|slot| *slots[slot] = Some(item_in_each_slot));