#264 SendQuestUpdates does not properly reflect quest flag to client

void ZoneServer::SendQuestUpdates(Client* client, Spawn* spawn){
    if(!client)
        return;

    if(spawn){
        if(client->GetPlayer()->WasSentSpawn(spawn->GetID()) && !client->GetPlayer()->WasSpawnRemoved(spawn))
            SendSpawnChanges(spawn, client, false, true);
    }
    else{
        client->GetCurrentZone()->SendAllSpawnsForVisChange(client);
    }
}

Fixed code replaces the else statement to only call SendAllSpawnsForVisChange instead of iterating entire spawn list and doing some sanity checks that didn't work to update spawns correctly. ``` void ZoneServer::SendQuestUpdates(Client* client, Spawn* spawn){ if(!client) return; if(spawn){ if(client->GetPlayer()->WasSentSpawn(spawn->GetID()) && !client->GetPlayer()->WasSpawnRemoved(spawn)) SendSpawnChanges(spawn, client, false, true); } else{ client->GetCurrentZone()->SendAllSpawnsForVisChange(client); } } ```