Send Inventory packet on event, don't check it at each AsyncRunStep.

* Call UpdateCrafting into SendInventory because this functions is only called before SendInventory
* Use Player* instead of peer_id for UpdateCrafting because SendInventory already has the Player* pointer, then don't loop for searching Player* per peer_id
* m_env_mutex don't need to be used with this modification because it's already locked before the calls

src/network/packethandlers/server.cpp

@@ -1390,7 +1390,9 @@ void Server::handleCommand_Interact(NetworkPacket* pkt)
 			// Placement was handled in lua
 
 			// Apply returned ItemStack
-			playersao->setWieldedItem(item);
+			if (playersao->setWieldedItem(item)) {
+				SendInventory(pkt->getPeerId());
+			}
 		}
 
 		// If item has node placement prediction, always send the