qt: Avoid resetting on resetguisettigs=0

Github-Pull: #12793
Rebased-From: 342fb80346

src/qt/bitcoin.cpp

@@ -689,7 +689,7 @@ int main(int argc, char *argv[])
     // Allow parameter interaction before we create the options model
     app.parameterSetup();
     // Load GUI settings from QSettings
-    app.createOptionsModel(gArgs.IsArgSet("-resetguisettings"));
+    app.createOptionsModel(gArgs.GetBoolArg("-resetguisettings", false));
 
     // Subscribe to global signals from core
     uiInterface.InitMessage.connect(InitMessage);