xdg-open doesn't seem to work anymore on SFOS 4.4

qml/harbour-fernschreiber.qml

@@ -40,6 +40,13 @@ ApplicationWindow
         }
     }
 
+    Connections {
+        target: tdLibWrapper
+        onOpenFileExternally: {
+            Qt.openUrlExternally(filePath);
+        }
+    }
+
     AppNotification {
         id: appNotification
         parent: pageStack.currentPage

src/tdlibwrapper.cpp

@@ -1511,14 +1511,7 @@ void TDLibWrapper::copyFileToDownloads(const QString &filePath, bool openAfterCo
 void TDLibWrapper::openFileOnDevice(const QString &filePath)
 {
     LOG("Open file on device:" << filePath);
-    QStringList argumentsList;
+    emit openFileExternally(filePath);
-    argumentsList.append(filePath);
-    bool successfullyStarted = QProcess::startDetached("xdg-open", argumentsList);
-    if (successfullyStarted) {
-        LOG("Successfully opened file " << filePath);
-    } else {
-        LOG("Error opening file " << filePath);
-    }
 }
 
 void TDLibWrapper::controlScreenSaver(bool enabled)

src/tdlibwrapper.h

@@ -311,6 +311,7 @@ signals:
     void messageInteractionInfoUpdated(qlonglong chatId, qlonglong messageId, const QVariantMap &updatedInfo);
     void okReceived(const QString &request);
     void sessionsReceived(const QVariantList &sessions);
+    void openFileExternally(const QString &filePath);
 
 public slots:
     void handleVersionDetected(const QString &version);