UI test checklist

Using mcgui, go through most UI features and tool combinations, on most platforms.

• create, create-from-template, run, compile
• display2D, display3D
• run dialogue: trace, inspect, try various N-counts, parameters, mcgui bckgnd behavior during long simulations
• compile, compile-MPI (check resulting sim run times), run btn without subseq. recopile
• help: current instr mcdoc, help pages & manual, about showing correct version
• editor: insert components, search text, save, save? dialog
• config options saved/not saved as local configs
• mcplot: variants via config menu, also sweep sims
• mcdisplay: variants via config, also test --tof
• mcgui: background behavior via mcdisplay/mcplot