fix: fixed critical bug, where time elapsed was multiplied and meant …

…it sent 1000x as many packets per second

src/modules/artnet/consumer/artnet_consumer.cpp

@@ -95,7 +95,7 @@ struct artnet_consumer : public core::frame_consumer
                     long long                     elapsed_ms =
                         std::chrono::duration_cast<std::chrono::milliseconds>(elapsed_seconds).count();
 
-                    long long sleep_time = time - elapsed_ms * 1000;
+                    long long sleep_time = time - elapsed_ms;
                     if (sleep_time > 0)
                         std::this_thread::sleep_for(std::chrono::milliseconds(sleep_time));