Core/Zmq: reduced thread sleep time from 50ms down to 1ms

src/server/ipc/ZmqMux.cpp

@@ -56,7 +56,7 @@ void ZmqMux::Run()
 {
     for (;;)
     {
-        std::this_thread::sleep_for(std::chrono::milliseconds(50));
+        std::this_thread::sleep_for(std::chrono::milliseconds(1));
         if (!_poller->poll())
             break;