gui: Improve session management when opening files.
gui: Improve session management when opening files.
gregtampa/coreemu,marek-sezemsky/coreemu,tectronics/coreemu,marek-sezemsky/coreemu,guidotack/coreemu,gregtampa/coreemu,marek-sezemsky/coreemu,guidotack/coreemu,tectronics/coreemu,gregtampa/coreemu,tectronics/coreemu,guidotack/coreemu