Fix #718 - when dropping image, only use import wizard for big images
Fix #718 - when dropping image, only use import wizard for big images

GMartigny/piskel,juliandescottes/piskel,GMartigny/piskel,juliandescottes/piskel,GMartigny/piskel,piskelapp/piskel,juliandescottes/piskel,piskelapp/piskel,piskelapp/piskel