feat(AppController): force default theme style

src/app/AppController.cpp

@@ -23,6 +23,7 @@
 #include <QDirIterator>
 #include <QFontDatabase>
 #include <QMessageBox>
+#include <QQuickStyle>
 
 #include "gitversion.h"
 
@@ -85,6 +86,7 @@ AppController::AppController (int &argc, char *argv[]) {
   QCoreApplication::setApplicationVersion(APPLICATION_VERSION);
 
   mApp = new App(argc, argv);
+  QQuickStyle::setStyle("Default");
   if (mApp->isSecondary()) {
     #ifdef Q_OS_MACOS
       mApp->processEvents();