[8382] Implement ByteArray functions for skip read of fields not needed for server in received packets. Author: VladimirMangos

* Use this fucntions in some case.
    * Change some packets to form: read fields first check later for better control recieved packets structure.
    * Fix CMSG_STAND_STATE_CHANGE packet structure to more correct.

--HG--
branch : trunk

src/game/QueryHandler.cpp

@@ -154,6 +154,7 @@ void WorldSession::HandleCreatureQueryOpcode( WorldPacket & recv_data )
 {
     uint32 entry;
     recv_data >> entry;
+    recv_data.read_skip<uint64>();                          // guid
 
     CreatureInfo const *ci = objmgr.GetCreatureTemplate(entry);
     if (ci)
@@ -221,6 +222,7 @@ void WorldSession::HandleGameObjectQueryOpcode( WorldPacket & recv_data )
 {
     uint32 entryID;
     recv_data >> entryID;
+    recv_data.read_skip<uint64>();                          // guid
 
     const GameObjectInfo *info = objmgr.GetGameObjectInfo(entryID);
     if(info)