Fixed application close on open file dialog

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>
(cherry picked from commit 9f48694eb2)

launcher/Application.cpp

@@ -225,6 +225,7 @@ Application::Application(int& argc, char** argv) : QApplication(argc, argv)
 
     // Don't quit on hiding the last window
     this->setQuitOnLastWindowClosed(false);
+    this->setQuitLockEnabled(false);
 
     // Commandline parsing
     QCommandLineParser parser;