Dispatch close window packets immediately

src/main/java/net/minecraft/server/PacketPlayOutCloseWindow.java

@@ -23,4 +23,10 @@ public class PacketPlayOutCloseWindow implements Packet<PacketListenerPlayOut> {
     public void b(PacketDataSerializer packetdataserializer) throws IOException {
         packetdataserializer.writeByte(this.a);
     }
+    // Akarin start
+    @Override
+    public boolean canDispatchImmediately() {
+        return true;
+    }
+    // Akarin end
 }