remove resources::screen instances in src/menu_events.cpp
menu_events: replace some resources links with internal accessors
menu_events: remove resources::whiteboard, get from play_controller
menu_events: fixup access to lua kernel
menu_events: fixup access to classification, mp settings
console_handler: fixup access to tod_manager
menu_events: use an undo_stack accessor from play_controller

eliminates resources links in menu_events