audio problem workaround to work on windows and mac. Even worst that the first hack

src/board/UBBoardController.cpp

@@ -1693,8 +1693,13 @@ UBGraphicsAudioItem* UBBoardController::addAudio(const QUrl& pSourceUrl, bool st
     QUuid uuid = QUuid::createUuid();
     QUrl concreteUrl = pSourceUrl;
 
+#ifdef Q_WS_X11
     concreteUrl = QUrl::fromLocalFile(mActiveDocument->persistencePath() + "/" + UBPersistenceManager::persistenceManager()
                        ->addAudioFileToDocument(mActiveDocument, pSourceUrl.toLocalFile(), uuid));
+#else
+    concreteUrl = QUrl::fromLocalFile(UBPersistenceManager::persistenceManager()
+                       ->addAudioFileToDocument(mActiveDocument, pSourceUrl.toLocalFile(), uuid));
+#endif
 
     UBGraphicsAudioItem* vi = mActiveScene->addAudio(concreteUrl, startPlay, pos);
     mActiveDocument->setMetaData(UBSettings::documentUpdatedAt, UBStringUtils::toUtcIsoDateTime(QDateTime::currentDateTime()));