ProjectManager: Use Core::Id for progress types

Change-Id: I72993fda50ad70ad2d7c2f449923ac6e34b9e737
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/gerrit/gerritplugin.cpp

@@ -168,7 +168,7 @@ void FetchContext::start()
 {
     m_progress.setProgressRange(0, 2);
     FutureProgress *fp = ProgressManager::addTask(m_progress.future(), tr("Gerrit Fetch"),
-                                           QLatin1String("gerrit-fetch"));
+                                           "gerrit-fetch");
     fp->setKeepOnFinish(FutureProgress::HideOnFinish);
     m_progress.reportStarted();
     // Order: initialize future before starting the process in case error handling is invoked.