Don't lock the UI if the loaded file was not readable

oracle/src/oraclewizard.cpp

@@ -221,13 +221,13 @@ void LoadSetsPage::readSetsFromByteArray(QByteArray data)
 
 void LoadSetsPage::importFinished()
 {
-    if(watcher.future().result())
-    {
     wizard()->enableButtons();
     setEnabled(true);
     progressLabel->hide();
     progressBar->hide();
 
+    if(watcher.future().result())
+    {
         wizard()->next();
     } else {
         QMessageBox::critical(this, tr("Error"), tr("The file was retrieved successfully, but it does not contain any sets data."));