QML UI: after successfully opening storage, store the filename

We rely on the filename being valid elsewhere in the code.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

mobile-widgets/qmlmanager.cpp

@@ -149,6 +149,7 @@ void QMLManager::openLocalThenRemote(QString url)
 		DiveListModel::instance()->addAllDives();
 		appendTextToLog(QStringLiteral("%1 dives loaded from cache").arg(dive_table.nr));
 	}
+	set_filename(fileNamePrt.data(), true);
 	appendTextToLog(QStringLiteral("have cloud credentials, trying to connect"));
 	tryRetrieveDataFromBackend();
 }