minor refactor to allow write access to settings

GUI/Application/Application.cpp

@@ -16,7 +16,7 @@
 
 Application::Application(int& argc, char** argv) : QApplication(argc, argv) {}
 
-const ApplicationSettings& Application::settings() const
+ApplicationSettings& Application::settings()
 {
     return m_settings;
 }

GUI/Application/Application.h

@@ -24,7 +24,7 @@ class Application : public QApplication {
 public:
     Application(int& argc, char** argv);
 
-    const ApplicationSettings& settings() const;
+    ApplicationSettings& settings();
 
 private:
     ApplicationSettings m_settings;