Core/Protocol:

- Allow CMSG_LOGOUT_CANCEL to be recieved during serverside logout process (ignore it however, it's too late to abort)
- Fix STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes because of m_playerRecentlyLogout being set false too early in some cases

src/server/game/Handlers/MiscHandler.cpp

@@ -430,6 +430,10 @@ void WorldSession::HandleLogoutCancelOpcode(WorldPacket & /*recv_data*/)
 {
     sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_LOGOUT_CANCEL Message");
 
+    // Player have already logged out serverside, too late to cancel
+    if (!GetPlayer())
+        return;
+
     LogoutRequest(0);
 
     WorldPacket data(SMSG_LOGOUT_CANCEL_ACK, 0);