Core/DBLayer: Prevent using prepared statements on wrong database

(cherry picked from commit e8e89f58fb)

# Conflicts:
#	src/server/bnetserver/REST/LoginRESTService.cpp
#	src/server/bnetserver/Server/Session.cpp
#	src/server/database/Database/DatabaseWorkerPool.cpp
#	src/server/database/Database/Implementation/HotfixDatabase.h
#	src/server/database/Database/MySQLConnection.cpp
#	src/server/database/Database/MySQLConnection.h
#	src/server/database/Database/PreparedStatement.cpp
#	src/server/database/Database/PreparedStatement.h
#	src/server/database/Database/QueryHolder.cpp
#	src/server/database/Database/SQLOperation.h
#	src/server/database/Database/Transaction.h
#	src/server/game/Accounts/BattlenetAccountMgr.cpp
#	src/server/game/Achievements/AchievementMgr.cpp
#	src/server/game/AuctionHouse/AuctionHouseMgr.cpp
#	src/server/game/AuctionHouseBot/AuctionHouseBot.cpp
#	src/server/game/AuctionHouseBot/AuctionHouseBotBuyer.cpp
#	src/server/game/BattlePets/BattlePetMgr.cpp
#	src/server/game/Battlegrounds/ArenaTeam.cpp
#	src/server/game/BlackMarket/BlackMarketMgr.cpp
#	src/server/game/Chat/Channels/Channel.cpp
#	src/server/game/Entities/Corpse/Corpse.cpp
#	src/server/game/Entities/Creature/Creature.cpp
#	src/server/game/Entities/GameObject/GameObject.cpp
#	src/server/game/Entities/Item/Item.cpp
#	src/server/game/Entities/Pet/Pet.cpp
#	src/server/game/Entities/Player/CollectionMgr.cpp
#	src/server/game/Entities/Player/Player.cpp
#	src/server/game/Garrison/Garrison.cpp
#	src/server/game/Globals/ObjectMgr.cpp
#	src/server/game/Groups/Group.cpp
#	src/server/game/Guilds/Guild.cpp
#	src/server/game/Guilds/GuildFinderMgr.cpp
#	src/server/game/Guilds/GuildMgr.cpp
#	src/server/game/Handlers/AuctionHouseHandler.cpp
#	src/server/game/Handlers/CharacterHandler.cpp
#	src/server/game/Handlers/ItemHandler.cpp
#	src/server/game/Handlers/MailHandler.cpp
#	src/server/game/Handlers/MiscHandler.cpp
#	src/server/game/Handlers/PetitionsHandler.cpp
#	src/server/game/Handlers/SpellHandler.cpp
#	src/server/game/Handlers/TicketHandler.cpp
#	src/server/game/Loot/Loot.cpp
#	src/server/game/Mails/Mail.cpp
#	src/server/game/Maps/Map.cpp
#	src/server/game/Movement/Waypoints/WaypointManager.cpp
#	src/server/game/OutdoorPvP/OutdoorPvP.cpp
#	src/server/game/Pools/PoolMgr.cpp
#	src/server/game/Quests/QuestObjectiveCriteriaMgr.cpp
#	src/server/game/Reputation/ReputationMgr.cpp
#	src/server/game/Scenarios/InstanceScenario.cpp
#	src/server/game/Server/WorldSession.cpp
#	src/server/game/Server/WorldSocket.cpp
#	src/server/game/Spells/SpellHistory.cpp
#	src/server/game/Support/SupportMgr.cpp
#	src/server/game/Tools/PlayerDump.cpp
#	src/server/game/World/World.cpp
#	src/server/scripts/Commands/cs_account.cpp
#	src/server/scripts/Commands/cs_ban.cpp
#	src/server/scripts/Commands/cs_battlenet_account.cpp
#	src/server/scripts/Commands/cs_group.cpp
#	src/server/scripts/Commands/cs_lfg.cpp
#	src/server/scripts/Commands/cs_list.cpp
#	src/server/scripts/Commands/cs_message.cpp
#	src/server/scripts/Commands/cs_misc.cpp
#	src/server/scripts/Commands/cs_npc.cpp
#	src/server/scripts/Commands/cs_tele.cpp
#	src/server/scripts/Commands/cs_wp.cpp
#	src/server/shared/DataStores/DB2DatabaseLoader.cpp
#	src/server/shared/Realm/RealmList.cpp

src/server/database/Database/MySQLConnection.cpp

@@ -193,7 +193,7 @@ bool MySQLConnection::Execute(char const* sql)
     return true;
 }
 
-bool MySQLConnection::Execute(PreparedStatement* stmt)
+bool MySQLConnection::Execute(PreparedStatementBase* stmt)
 {
     if (!m_Mysql)
         return false;
@@ -240,7 +240,7 @@ bool MySQLConnection::Execute(PreparedStatement* stmt)
     return true;
 }
 
-bool MySQLConnection::_Query(PreparedStatement* stmt, MySQLPreparedStatement** mysqlStmt, MySQLResult** pResult, uint64* pRowCount, uint32* pFieldCount)
+bool MySQLConnection::_Query(PreparedStatementBase* stmt, MySQLPreparedStatement** mysqlStmt, MySQLResult** pResult, uint64* pRowCount, uint32* pFieldCount)
 {
     if (!m_Mysql)
         return false;
@@ -381,7 +381,7 @@ int MySQLConnection::ExecuteTransaction(SQLTransaction& transaction)
         {
             case SQL_ELEMENT_PREPARED:
             {
-                PreparedStatement* stmt = data.element.stmt;
+                PreparedStatementBase* stmt = data.element.stmt;
                 ASSERT(stmt);
                 if (!Execute(stmt))
                 {
@@ -491,7 +491,7 @@ void MySQLConnection::PrepareStatement(uint32 index, std::string const& sql, Con
     }
 }
 
-PreparedResultSet* MySQLConnection::Query(PreparedStatement* stmt)
+PreparedResultSet* MySQLConnection::Query(PreparedStatementBase* stmt)
 {
     MySQLPreparedStatement* mysqlStmt = nullptr;
     MySQLResult* result = nullptr;