Migrate settings much earlier

src/app/application.cpp

@@ -88,6 +88,7 @@
 #include "base/version.h"
 #include "applicationinstancemanager.h"
 #include "filelogger.h"
+#include "upgrade.h"
 
 #ifndef DISABLE_GUI
 #include "gui/addnewtorrentdialog.h"
@@ -173,6 +174,18 @@ Application::Application(int &argc, char **argv)
     SettingsStorage::initInstance();
     Preferences::initInstance();
 
+    const bool firstTimeUser = !Preferences::instance()->getAcceptedLegal();
+    if (!firstTimeUser)
+    {
+        if (!upgrade())
+            throw RuntimeError(u"Failed migration of old settings"_qs); // Not translatable. Translation isn't configured yet.
+        handleChangedDefaults(DefaultPreferencesMode::Legacy);
+    }
+    else
+    {
+        handleChangedDefaults(DefaultPreferencesMode::Current);
+    }
+
     initializeTranslation();
 
     connect(this, &QCoreApplication::aboutToQuit, this, &Application::cleanup);