Error downgrading now uses a map<threadid, bool>, and error downgrading is canceled during message callbacks

communication/multichannelcommunication.cpp

@@ -113,11 +113,14 @@ void MultiChannelCommunication::readTask() {
 								continue;
 							}
 
+							// We want callbacks to be able to access errors
+							EventManager::GetInstance().cancelErrorDowngradingOnCurrentThread();
 							for(auto& cb : messageCallbacks) { // We might have closed while reading or processing
 								if(!closing) {
 									cb.second.callIfMatch(msg);
 								}
 							}
+							EventManager::GetInstance().downgradeErrorsOnCurrentThread();
 						}
 					}