channels now PART when they are destroyed

src/singletons/nativemessagingmanager.cpp

@@ -146,7 +146,7 @@ void NativeMessagingManager::ReceiverThread::handleMessage(const QJsonObject &ro
             util::postToThread([name] {
                 auto &ts = providers::twitch::TwitchServer::getInstance();
 
-                ts.watchingChannel.update(ts.addChannel(name));
+                ts.watchingChannel.update(ts.getOrAddChannel(name));
             });
         } else {
             qDebug() << "NM unknown channel type";

src/singletons/windowmanager.cpp

@@ -317,7 +317,7 @@ IndirectChannel WindowManager::decodeChannel(const QJsonObject &obj)
 {
     QString type = obj.value("type").toString();
     if (type == "twitch") {
-        return providers::twitch::TwitchServer::getInstance().addChannel(
+        return providers::twitch::TwitchServer::getInstance().getOrAddChannel(
             obj.value("name").toString());
     } else if (type == "mentions") {
         return providers::twitch::TwitchServer::getInstance().mentionsChannel;