Factorize src/Application/GUILLoadSimulMenu and GUIMainMenu by adding a class Selection.
Use internally std::vector<std::pair<string, T>, std::function<void()> with m_cursor +/- 1
and mtehod onPresseEnter to do: onPresseEnter([](){m_application.push(xxx);})
Factorize src/Application/GUILLoadSimulMenu and GUIMainMenu by adding a class Selection. Use internally std::vector<std::pair<string, T>, std::function<void()> with m_cursor +/- 1 and mtehod onPresseEnter to do: onPresseEnter([](){m_application.push(xxx);})