Allow picking items from inventory

Author: lynxplay

paper-server/patches/sources/net/minecraft/server/network/ServerGamePacketListenerImpl.java.patch

@@ -545,7 +545,7 @@
              if (i != -1) {
 -                if (Inventory.isHotbarSlot(i)) {
 -                    inventory.setSelectedSlot(i);
-+                if (Inventory.isHotbarSlot(event.getTargetSlot())) { // Paper - Add PlayerPickItemEvent
++                if (Inventory.isHotbarSlot(i) && Inventory.isHotbarSlot(event.getTargetSlot())) { // Paper - Add PlayerPickItemEvent
 +                    inventory.setSelectedSlot(event.getTargetSlot()); // Paper - Add PlayerPickItemEvent
                  } else {
 -                    inventory.pickSlot(i);