[Bleeding] Return correct player SlotType. Fixes BUKKIT-3188

Previously, the SlotType for the last 4 slots in a player's inventory
returned QUICKBAR when it should have returned SlotType.CONTAINER. This
updates the code for determining slot type to return the proper value.

src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryView.java

@@ -127,8 +127,12 @@ public class CraftInventoryView extends InventoryView {
         } else {
             if (slot == -999) {
                 type = SlotType.OUTSIDE;
-            } else if (inventory.getType() == InventoryType.CRAFTING && slot < 9) {
+            } else if (inventory.getType() == InventoryType.CRAFTING) {
+                if (slot < 9) {
                     type = SlotType.ARMOR;
+                } else if (slot > 35) {
+                    type = SlotType.QUICKBAR;
+                }
             } else if (slot >= (inventory.countSlots() - 9)) {
                 type = SlotType.QUICKBAR;
             }