Incompletely implement about QuickUseWidgetReq

WARNING: with the consuming of material widget ( Example: bomb ),
this is just a implement designed to the decreasing of count

### Known Bug: No effects after using item but decrease. ###

If you know which Packet could make the effects, feel free to contribute!

src/main/java/emu/grasscutter/server/packet/recv/HandlerQuickUseWidgetReq.java

+package emu.grasscutter.server.packet.recv;
+
+import emu.grasscutter.game.inventory.GameItem;
+import emu.grasscutter.game.inventory.Inventory;
+import emu.grasscutter.game.inventory.InventoryTab;
+import emu.grasscutter.game.inventory.ItemType;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.Opcodes;
+import emu.grasscutter.net.packet.PacketHandler;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.QuickUseWidgetRspOuterClass.QuickUseWidgetRsp;
+import emu.grasscutter.server.game.GameSession;
+import emu.grasscutter.server.packet.send.PacketPullRecentChatRsp;
+
+@Opcodes(PacketOpcodes.QuickUseWidgetReq)
+public class HandlerQuickUseWidgetReq extends PacketHandler {
+    /*
+    * WARNING: with the consuming of material widget ( Example: bomb ),
+    * this is just a implement designed to the decreasing of count
+    *
+    * ### Known Bug: No effects after using item but decrease. ###
+    *
+    * If you know which Packet could make the effects, feel free to contribute!
+    * */
+    @Override
+    public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
+        QuickUseWidgetRsp.Builder proto = QuickUseWidgetRsp.newBuilder();
+        Player pl = session.getPlayer();
+        synchronized (pl) {
+            int materialId = pl.getWidgetId();
+            Inventory inventory = session.getPlayer().getInventory();
+            InventoryTab inventoryTab = inventory.getInventoryTab(ItemType.ITEM_MATERIAL);
+            GameItem item = inventoryTab.getItemById(materialId);
+            int remain = item.getCount();
+            if (remain > 0) {
+                remain--;
+                if (remain <= 0) {
+                    proto.setRetcode(1);
+                } else {
+                    proto.setRetcode(0);
+                }
+                proto.setMaterialId(materialId);
+                inventory.removeItem(item,1);// decrease count
+                BasePacket rsp = new BasePacket(PacketOpcodes.QuickUseWidgetRsp);
+                rsp.setData(proto);
+                session.send(rsp);
+                // but no effects in the game, feel free to implement it!
+            }
+        }
+    }
+}