Core/Chat Commands: Allow to add overlapping teles .

Allow to add overlapping teles like "abc" even if "abcde" already exists. This wasn't possible and a "Teleport already exists" error was thrown instead.

src/server/scripts/Commands/cs_tele.cpp

@@ -65,7 +65,7 @@ public:
 
         std::string name = args;
 
-        if (sObjectMgr->GetGameTele(name))
+        if (sObjectMgr->GetGameTeleExactName(name))
         {
             handler->SendSysMessage(LANG_COMMAND_TP_ALREADYEXIST);
             handler->SetSentErrorMessage(true);