Core/Packets: converted SMSG_MOTD and SMSG_LOGIN_VERIFY_WORLD to packet class

src/server/scripts/Commands/cs_server.cpp

@@ -273,7 +273,10 @@ public:
     // Display the 'Message of the day' for the realm
     static bool HandleServerMotdCommand(ChatHandler* handler, char const* /*args*/)
     {
-        handler->PSendSysMessage(LANG_MOTD_CURRENT, sWorld->GetMotd());
+        std::string motd;
+        for (std::string const& line : sWorld->GetMotd())
+            motd += line;
+        handler->PSendSysMessage(LANG_MOTD_CURRENT, motd.c_str());
         return true;
     }